OT-2026-000052887
Publication integrity record
Two cup vacuum gripper, two zone face, three stage ejector, supply line pressure sensor, 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-2026-000052887) never changes.
Identity and time
| Publication number | OT-2026-000052887 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7839-8fa4-4fe33f4aec9c · 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-2026-000052887 |
| Status | PUBLIC |
Content hashes
| Canonical text | a90e91a0195f609ade0f9adff64b4c32cb2c0787635882161ea23c4eae17ae34 |
|---|---|
| Markdown | be83efd2627d0049e509e6d23367f34c6b10473fe16b71ec3f3c8e677929be7d |
| Publication page | 6b4ed68883a5cbc6396cc0c6ea894d6449a346f42bb86b646d7d15ad3ce5a3e8 |
| Manifest | a8b528399bf37d1791dd33ce0d9ef64f766e0ca683af1e511a39f8b645f58669 |
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 | B+BQWNP2UuaqMPtDtKaTohuIoNx/LKnX4cAVxmH7zqaTKc8J27jgNjllXL+M6BdEUQ77xa7/kJNAGjzk9o/QDw== |
| 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
| 2026-09-17T10:56:31.499770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052887observed 6b4ed68883a5cbc6396cc0c6ea894d64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:31.482891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052887/manifest.jsonobserved a8b528399bf37d1791dd33ce0d9ef64f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.465152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052887/publication.mdobserved be83efd2627d0049e509e6d23367f34c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.448180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052887/publication.txtobserved a90e91a0195f609ade0f9adff64b4c32...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. |
|---|