OT-2026-000053378
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000053378) never changes.
Identity and time
| Publication number | OT-2026-000053378 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a8f-7735-b630-3404a77f222d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:09.762364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000053378 |
| Status | PUBLIC |
Content hashes
| Canonical text | b484e51c1f91c1b7805685ac954ee1c77d8604bdbebf3a8e0670943c985f0a4c |
|---|---|
| Markdown | 006274c6eb5a1c45cdc7e9744551b0bbbe6629bc49a4d92878261a6de348612a |
| Publication page | ad03e5d6008c5afac957457deb536a32683d1ec2af83e73e172386bf84600dbe |
| Manifest | f09e9f6424e1563c1e6bc69ba996053f598abbc14a4933b9a7bda9f873255155 |
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 | Gz1a99N1Dd7PmpFJE+JWlsLZKZnk7VkiWTzo8mN1sZTh3x0SlKn4mGU0+JahOybcg70UdQU+2EU8ajKRyvi/BA== |
| 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
| 2026-09-17T10:55:05.882042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053378observed ad03e5d6008c5afac957457deb536a32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:05.866373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053378/manifest.jsonobserved f09e9f6424e1563c1e6bc69ba996053f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:05.849805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053378/publication.mdobserved 006274c6eb5a1c45cdc7e9744551b0bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:05.834029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053378/publication.txtobserved b484e51c1f91c1b7805685ac954ee1c7...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. |
|---|