OT-2026-000052986
Publication integrity record
Foam pad vacuum gripper, 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-2026-000052986) never changes.
Identity and time
| Publication number | OT-2026-000052986 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-71ce-ac2b-2226d044c8af · 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-2026-000052986 |
| Status | PUBLIC |
Content hashes
| Canonical text | 40e2ea11696962b9631fa041dc7e8633de26048388f951149643a68a0dbc46ff |
|---|---|
| Markdown | eb8139a6832a3f71ddc5fd8c88c15be2c7ee76c722e7f7b4810606c9505e7ebe |
| Publication page | d7bbc8da64a74ea5a362d999d0a42d7f3833dad88457f8a35632ddc7342c1b68 |
| Manifest | e743c3873b2552708291eea0b5fd15ee46adae1e421b9820cc1006cef32c2af4 |
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 | Ggbd8KrXuwn/B6UIzCzcDH9jK/bGjRc3d8V0ZqzSSKMz9448SQfkgg+GkpQkRFRZ9oyhKaZ143csIwXdGHi5BA== |
| 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
| 2026-09-17T10:56:40.671921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052986observed d7bbc8da64a74ea5a362d999d0a42d7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:40.652171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052986/manifest.jsonobserved e743c3873b2552708291eea0b5fd15ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.633644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052986/publication.mdobserved eb8139a6832a3f71ddc5fd8c88c15be2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:40.615324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052986/publication.txtobserved 40e2ea11696962b9631fa041dc7e8633...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. |
|---|