OT-2026-000052443
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000052443) never changes.
Identity and time
| Publication number | OT-2026-000052443 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7f57-b247-782b27c89615 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052443 |
| Status | PUBLIC |
Content hashes
| Canonical text | da33fb87d2e9c785f5f826df27569e464a7dd87372b0d5917ccc72d480c49e67 |
|---|---|
| Markdown | c1648bd33b0064977f14d3d2bbcba72fe8357fc5eff232f94bf6deb1499f9e4b |
| Publication page | 48f21a227dea5fbc2d008c829aa42062ac25a102db06df2160f26c43da7e2c34 |
| Manifest | ef2cc25ac5665804f8a68ced8c181b88812e27c7cd76132e2aad410d470199cb |
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 | WaIL3l0LAXXL1gB73PlxcxfoxRZR21CoL867pPL4sUGtGxuJ5xUy4CglTzTZ1FMurG7+dxlHEQMZ3UGjHPYaCQ== |
| 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
| 2026-09-17T10:57:03.899768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052443observed 48f21a227dea5fbc2d008c829aa42062...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:03.881668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052443/manifest.jsonobserved ef2cc25ac5665804f8a68ced8c181b88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.862921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052443/publication.mdobserved c1648bd33b0064977f14d3d2bbcba72f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.843104Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052443/publication.txtobserved da33fb87d2e9c785f5f826df27569e46...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. |
|---|