OT-2026-000056897
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, vented before set-down
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-2026-000056897) never changes.
Identity and time
| Publication number | OT-2026-000056897 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af8-7454-bb8d-0712f595c61b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056897 |
| Status | PUBLIC |
Content hashes
| Canonical text | b47b620a29a845442bc27beb4eb4ae2636c6019ec582b24fd007a374e183bb7d |
|---|---|
| Markdown | 9134d9d110a4e6b95be230ef853d20678fd40cee5342abb83dab9507481c09ba |
| Publication page | 66b58160267ad1da05e166b2dc874fde486ae9c53469fa5152bdc4328584ae1d |
| Manifest | 8f0cabb2d423753b1cfd6a53c911497be310d5e98bbf6a8a2dd68f78b2b048ec |
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 | 8+y2PNWBgzevLfRVEbTaHtCokX4/6TtFJcZNva8p1jjp1GFWgoV61gDxB0p9zDn5ivUNtMgciWTNtnu5gZFpAQ== |
| 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
| 2026-09-17T10:50:26.054639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056897observed 66b58160267ad1da05e166b2dc874fde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:26.035842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056897/manifest.jsonobserved 8f0cabb2d423753b1cfd6a53c911497b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:26.016054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056897/publication.mdobserved 9134d9d110a4e6b95be230ef853d2067...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:25.997929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056897/publication.txtobserved b47b620a29a845442bc27beb4eb4ae26...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. |
|---|