OT-2026-000028874
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000028874) never changes.
Identity and time
| Publication number | OT-2026-000028874 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7944-aed5-97e588c5d2b7 · 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-2026-000028874 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2cd7ec69cf7b190856158c12203e537134038690d7a6fe1ad7543e4301738003 |
|---|---|
| Markdown | 0619f556a6d27384990645ea2aad0150672a9b784a3aa7cc3215091365899a9f |
| Publication page | 7f7e3b71ab4e0b814203b024e7b94c1b21ad3f34563547fd22081ef9ecc94ab3 |
| Manifest | 26a4410db42f4de2eeaf50c20d144e7e68a7a4fdb2a93f44e69901b58cbcf354 |
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 | wnAyxPsdv94Ip8mp4HO/eBUlAoFL2O9ApIfX3NRiFs/QCOimDSvurzmK2DUgy29csGJi9B79bGzEH642oo2qCA== |
| 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
| 2026-09-17T08:20:13.199683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028874observed 7f7e3b71ab4e0b814203b024e7b94c1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:13.181139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028874/manifest.jsonobserved 26a4410db42f4de2eeaf50c20d144e7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.036132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028874/publication.mdobserved 0619f556a6d27384990645ea2aad0150...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:13.017992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028874/publication.txtobserved 2cd7ec69cf7b190856158c12203e5371...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. |
|---|