OT-2026-000028943
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000028943) never changes.
Identity and time
| Publication number | OT-2026-000028943 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-74ad-a503-614813c8e7aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028943 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2aba4f1a70f64e9cc256ead019c7f93ac0b8231a5d38d4f5f1d2b439366b3f8e |
|---|---|
| Markdown | f548b47d55cc7f92e833380e769b7e496f4d209f23df2d5e71a2c86ed3faecc3 |
| Publication page | 87f301799b636dc1e4fbaa29f2b3b4822705a181488a8b8525f53cd1e3492dea |
| Manifest | 7fd6f01b574e800f032eed0a0fe013a96fbd85f922a6c1b304d5aba664de2256 |
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 | vGMKr14khoSOlRNMU7UNQR0EYv0kV6dKaANQ26iKUhQU0PoRf88dPRKlj7w/IFK9Ty+WcDkOv8kmrn3YmzZfBQ== |
| 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
| 2026-09-17T08:20:24.283438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028943observed 87f301799b636dc1e4fbaa29f2b3b482...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:24.265854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028943/manifest.jsonobserved 7fd6f01b574e800f032eed0a0fe013a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.244776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028943/publication.mdobserved f548b47d55cc7f92e833380e769b7e49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:24.225682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028943/publication.txtobserved 2aba4f1a70f64e9cc256ead019c7f93a...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. |
|---|