OT-2026-000028455
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000028455) never changes.
Identity and time
| Publication number | OT-2026-000028455 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7505-97e3-c8db704895cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028455 |
| Status | PUBLIC |
Content hashes
| Canonical text | a78fd7725e074737ff575a92360149a39486633324fc99d2d9db6b464f4fd52a |
|---|---|
| Markdown | c45d8d2858f27ed2557aa8edb34b287edac149135c8c4baabb60c54bc95ca1bd |
| Publication page | a8bb618bc7ee261b6fc353604cb187e236d5a94eea45f31cf9c5c7ceadc60972 |
| Manifest | ec152ff6d6cc4ee3f704dbd35d9107ee42049f3f95b260cee1062e5a37a92c9f |
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 | 56ih+EH1YHibwbnajU20kXNTGWnGVCzV506dgBAWANhct2lA9bgEW0pTNOxH3Vk1RWN2TmcodhGGAi1JFCvxBg== |
| 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
| 2026-09-17T11:40:35.748056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028455observed a8bb618bc7ee261b6fc353604cb187e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.731038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028455/manifest.jsonobserved ec152ff6d6cc4ee3f704dbd35d9107ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.711686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028455/publication.mdobserved c45d8d2858f27ed2557aa8edb34b287e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.692813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028455/publication.txtobserved a78fd7725e074737ff575a92360149a3...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. |
|---|