OT-2026-000029907
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum 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-2026-000029907) never changes.
Identity and time
| Publication number | OT-2026-000029907 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7591-8c24-6099168d93e9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029907 |
| Status | PUBLIC |
Content hashes
| Canonical text | f56459320a498c6eb9d25c6eed0e9a08fb47d181cf99cdc908e557ca515c2a98 |
|---|---|
| Markdown | 18532f2ec830b1ffb984b7d13c95d83f72ff924d9eee00825054016bff73e31a |
| Publication page | 4c95c0ea995713c054be01f896999032a7f5028d43bbb8ea505f7e8ee2ed7560 |
| Manifest | 2a4cb6dd913ddf0b43781bd6e3e431a14c8ad3e3f1f6aa96b43cb4c553d026a0 |
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 | TXTVnT443yAtlMd0jnKqtce179oQVQvSjc76UGJty5U+snx6MUZ3fZBh3KOdSIuSvLMUA0kOjTOrT05p69jwAQ== |
| 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
| 2026-09-17T11:38:36.597109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029907observed 4c95c0ea995713c054be01f896999032...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:36.581159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029907/manifest.jsonobserved 2a4cb6dd913ddf0b43781bd6e3e431a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:36.565706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029907/publication.mdobserved 18532f2ec830b1ffb984b7d13c95d83f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:36.544006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029907/publication.txtobserved f56459320a498c6eb9d25c6eed0e9a08...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. |
|---|