OT-2026-000055854
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000055854) never changes.
Identity and time
| Publication number | OT-2026-000055854 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a49-7226-be53-f425f93a32af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055854 |
| Status | PUBLIC |
Content hashes
| Canonical text | 71ace4013197913c87724ac708d07906c874096fc09f92fa6f8167db00665c5e |
|---|---|
| Markdown | 3282bfa337b28d93a7bf683cf774e9b371511c23003b4a278729fd94b5eb87d4 |
| Publication page | bdd01c4d68ec46552fe17d8f5413bc455483fa41120f2d1be42f032097c6027c |
| Manifest | 9fac7bbfb1110aeffe87b2e99682327ecafcf9dd720887d57b1454b43e9be50a |
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 | h0xwOnn2gUmvlZS/oE8X6GmZSg7mn02/0Cfh/U5YEV2FepcdOikybsmyOZP1bXuwPyx+xe87HN2QECgOOtQ6BQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:14.988818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055854observed bdd01c4d68ec46552fe17d8f5413bc45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:14.971648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055854/manifest.jsonobserved 9fac7bbfb1110aeffe87b2e99682327e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:14.955929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055854/publication.mdobserved 3282bfa337b28d93a7bf683cf774e9b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:14.938679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055854/publication.txtobserved 71ace4013197913c87724ac708d07906...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. |
|---|