OT-2026-000055581
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line 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-2026-000055581) never changes.
Identity and time
| Publication number | OT-2026-000055581 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a103-744b-99b0-30d4e761fd9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055581 |
| Status | PUBLIC |
Content hashes
| Canonical text | b6cf2885d0a2eb364875fbd4be3d8d7caf6003e78f0dbc3962bbd4159b2531e8 |
|---|---|
| Markdown | a658de8c95727d61d5debdd9d7c9bca6551ed13c48193160521a7ace4ed248ba |
| Publication page | 9a9646043fd41f01788266b4316d632b208cb4134608db4e689de1ba87e6b712 |
| Manifest | 56cb150c1445221b7a8f0c768a0442d1ca8501a1d146731ebdc7e408534c482c |
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 | FoiaJkD5eiiNmNDryvhn7Fm9qbGIcDrBObaGzemwV4WCuqRCh0GSJIFsgiUrxtQJ+nh1pTI7oltZ3WXlub7GCQ== |
| 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
| 2026-09-17T10:52:49.083922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055581observed 9a9646043fd41f01788266b4316d632b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:52:49.066122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055581/manifest.jsonobserved 56cb150c1445221b7a8f0c768a0442d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:49.047585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055581/publication.mdobserved a658de8c95727d61d5debdd9d7c9bca6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:49.031260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055581/publication.txtobserved b6cf2885d0a2eb364875fbd4be3d8d7c...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. |
|---|