OT-2026-000052989
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000052989) never changes.
Identity and time
| Publication number | OT-2026-000052989 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7df0-91b1-f3eafbaa3ad2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052989 |
| Status | PUBLIC |
Content hashes
| Canonical text | 52c83f872211cc3d02210a27b68529a10dfc9b7d3750f90b7988b4139cd17ecf |
|---|---|
| Markdown | 365a29babc1040b86bde0458c8075cc2cc5c4bf60f8b75fd2814ae30052fc13b |
| Publication page | 56cb7a3de076f4709f1a9ddcb360daffef5ea4b73e4db5fa31773efdeee2ba47 |
| Manifest | 56a74fac0539b41fbb7ad2feaf16d78b52e246cdce29eafb6c28f5482c7ea523 |
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 | r+OSoVSP/CKw7a8v4jIZ//VuZ4ZqxGNcvh3+mhxP74/IXK/jjYtaw/EnSSYUJEoou18T0HbmIBD16klVQxS2AA== |
| 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
| 2026-09-17T10:56:40.909554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052989observed 56cb7a3de076f4709f1a9ddcb360daff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:40.890471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052989/manifest.jsonobserved 56a74fac0539b41fbb7ad2feaf16d78b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.870697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052989/publication.mdobserved 365a29babc1040b86bde0458c8075cc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.850115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052989/publication.txtobserved 52c83f872211cc3d02210a27b68529a1...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. |
|---|