OT-2026-000054115
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054115) never changes.
Identity and time
| Publication number | OT-2026-000054115 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a8-7f0e-bf2e-115eec1439c9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054115 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc2af2a0674b5e278c47c972f03cbb09bc948fd23c6a9c62269aa9e745637ada |
|---|---|
| Markdown | 8ec64878710255f33abc83acd5941e3e9bfa7d4f3c1c8c236799f25f4b1414eb |
| Publication page | 37668892c9855184079227584c778c445b9e3295d7362e3edf41dfa3214a0772 |
| Manifest | 5b2743ca2289829b5175569e00961c75729620799d34721a453d928ed741f9c0 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | MaA7kmyqK00ShktRtLj2ra6pmphGSRUVK+K2K5BVxp32aKBX0JnlRDOreQypfKdQZgUAyjzWIXQ1X+PT3alhBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-30T16:41:50.979786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115observed 37668892c9855184079227584c778c44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T16:41:50.920033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115/manifest.jsonobserved 5b2743ca2289829b5175569e00961c75...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:50.831844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115/publication.mdobserved 8ec64878710255f33abc83acd5941e3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T16:41:50.760910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115/publication.txtobserved cc2af2a0674b5e278c47c972f03cbb09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:16.924315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115observed 37668892c9855184079227584c778c44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:16.867041Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115/manifest.jsonobserved 5b2743ca2289829b5175569e00961c75...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:16.769488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115/publication.mdobserved 8ec64878710255f33abc83acd5941e3e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:16.643858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054115/publication.txtobserved cc2af2a0674b5e278c47c972f03cbb09...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|