OT-2026-000052685
Publication integrity record
Three cup vacuum gripper, three outlet manifold, 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-2026-000052685) never changes.
Identity and time
| Publication number | OT-2026-000052685 · never reused |
|---|---|
| Internal UUID | 01a0ae84-573c-7ca1-8182-47dd805a5cca · 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-2026-000052685 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2410c53bb089380cfcf846d74142e3bf1aada34478c44ab0f99d65c425a40505 |
|---|---|
| Markdown | aaba638e00db2f50e436f57b811142f8a8727e75c1aa70a85afa6beb248988e0 |
| Publication page | d55bc64f83b806317f39a874da135554527f7f3fa6fea9d25d4444d8ae083785 |
| Manifest | f40f65ccb52558a6b1c1b912ca2ba19205f8215f2799e5f281df5df988d55a3d |
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 | t/QYuxX06Ox+iC7eMoe3BihmLm1oYB2LuJ4Ke4P/DzuMAF0bGYo3SorUZOcKoF5Y3k2oIxJi0tv57hQ9ZweaCA== |
| 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
| 2026-09-17T08:42:38.547840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052685observed d55bc64f83b806317f39a874da135554...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:42:38.219632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052685/manifest.jsonobserved f40f65ccb52558a6b1c1b912ca2ba192...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:37.774234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052685/publication.mdobserved aaba638e00db2f50e436f57b811142f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:42:37.496530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052685/publication.txtobserved 2410c53bb089380cfcf846d74142e3bf...fetched by grabo-systems from 34.44.131.203, 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. |
|---|