OT-2026-000053393
Publication integrity record
Single cup vacuum gripper, common isolation valve, single stage ejector, supply line 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-2026-000053393) never changes.
Identity and time
| Publication number | OT-2026-000053393 · never reused |
|---|---|
| Internal UUID | 01a0ae85-0a8f-7b48-93fd-c46e999abd76 · 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-2026-000053393 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3d3cac20fedbaeabe60d48d9ba7009e8e9a2aea119af16532eb2b61eb647a47 |
|---|---|
| Markdown | 85d7b1161f5a5cf79c563ea841ad4c4259a4a6a170c85770d34a2894ac010ac1 |
| Publication page | 12a39b8d1e3f6dfdba087b625a42342f12cfce24bb6e6e9cedfee5d06a8bc16b |
| Manifest | c029eb6a2464db1f160517dce3ac2e2e53fb75cf26c322cb99f7b52bc23dae47 |
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 | DruBoCqTwL3RVlr+wD1H95nthBhs5qqWO3mCyae7PtVZRYFez11OOqQNHOVXHWcJZ2oi8oDd4eQ+cHrquOq3Ag== |
| 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
| 2026-09-17T10:55:07.029166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053393observed 12a39b8d1e3f6dfdba087b625a42342f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:55:07.008246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053393/manifest.jsonobserved c029eb6a2464db1f160517dce3ac2e2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:06.985510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053393/publication.mdobserved 85d7b1161f5a5cf79c563ea841ad4c42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:55:06.968948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000053393/publication.txtobserved b3d3cac20fedbaeabe60d48d9ba7009e...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. |
|---|