OT-2026-000028199
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000028199) never changes.
Identity and time
| Publication number | OT-2026-000028199 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7d28-8aec-1ba2b89def6a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028199 |
| Status | PUBLIC |
Content hashes
| Canonical text | 26dfd48caf1db804d663de9feba41369911cc4484a6ab9ee55919caa5324a838 |
|---|---|
| Markdown | a5ab7b0fa2cdf7bd9175ac5a5d5ae84c42ae7b6b79148335259d9ab3b7273ef9 |
| Publication page | 96e19da47f03545db43b473249199431949bfcb2fe1bc70bbcaec71901313917 |
| Manifest | 4a31e7b0617074b9d81a35cbc98736ae07f5417acbd90537bf4c4948c6f8ffdd |
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 | bHTfWRssa1feOKZhtOsMvYbCuUhpNO9zWd3sa5n2Te32V+r9/AXMvEbgXWxHKLzdjxfvcPCG+D5vUTlUxnl+Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:33.711459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028199observed 96e19da47f03545db43b473249199431...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:33.692317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028199/manifest.jsonobserved 4a31e7b0617074b9d81a35cbc98736ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.675794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028199/publication.mdobserved a5ab7b0fa2cdf7bd9175ac5a5d5ae84c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.658229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028199/publication.txtobserved 26dfd48caf1db804d663de9feba41369...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. |
|---|