OT-2026-000052878
Publication integrity record
Foam pad vacuum gripper, three stage ejector, 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-2026-000052878) never changes.
Identity and time
| Publication number | OT-2026-000052878 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7fa1-a741-6341a06c9755 · 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-2026-000052878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e987451fa39941eeea40472596e1f4eb5c1dca0161de8d4cb78398f7025b71a |
|---|---|
| Markdown | 552e146e2ebeceb4e12e76dfbe8c5e878ecfe07ad2b1fd3e46b53e164912eb67 |
| Publication page | ae8ab305a4f2e69b6168f660a03e62d7e5414aedf12a261e46c08b3cf5fa8153 |
| Manifest | 6787f6453f1c244aebbc30691077f945dbf422c2a4da5f9b2a6691bc8a09b66b |
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 | cBfMaUWQaAigthlBWFCsZQfXDAkM4bcW3Z8pHybwJFN9D7gOjiUGEIvttVhTzgKW+TtijMdjBtSGAq5WoRBpBw== |
| 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
| 2026-09-17T10:56:30.836216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052878observed ae8ab305a4f2e69b6168f660a03e62d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:30.817197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052878/manifest.jsonobserved 6787f6453f1c244aebbc30691077f945...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:30.799629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052878/publication.mdobserved 552e146e2ebeceb4e12e76dfbe8c5e87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:30.782184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052878/publication.txtobserved 1e987451fa39941eeea40472596e1f4e...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. |
|---|