OT-2026-000053972
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off after 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-2026-000053972) never changes.
Identity and time
| Publication number | OT-2026-000053972 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a7-7dc7-b87a-307b0d7c1762 · 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-2026-000053972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2a1a9f8f399d4a5e0d32710dac5c23f11c4f061db21a663c59652b0eadd6a201 |
|---|---|
| Markdown | 4d2f1280518166bec888c0e2b18de220a157e47a8dda6bd20bb967ab8b84b5f0 |
| Publication page | 91ff23929f67db74bbdc5fba6089a3c6966f7585ed8642b2d6371036904d0770 |
| Manifest | a4ad8c9ab48983d36327b603991509928155807ec63dbc582568cdde22de14aa |
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 | IWXFEG97qsch9ib+XL4ACeKpoqf9Q+49HmOR6ZhrgrMsXoLzqcIDn231t/4UYyTGqlHXmD111oImOxoLhlT9Ag== |
| 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
| 2026-09-17T10:54:15.303065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053972observed 91ff23929f67db74bbdc5fba6089a3c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:15.275387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053972/manifest.jsonobserved a4ad8c9ab48983d36327b60399150992...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:15.251758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053972/publication.mdobserved 4d2f1280518166bec888c0e2b18de220...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:15.225116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053972/publication.txtobserved 2a1a9f8f399d4a5e0d32710dac5c23f1...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|