OT-2026-000061250
Publication integrity record
Foam pad vacuum gripper, two stage ejector, vented after 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-2026-000061250) never changes.
Identity and time
| Publication number | OT-2026-000061250 · never reused |
|---|---|
| Internal UUID | 01a0ae8b-1382-748f-b1fd-4ca441e5aa55 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:45:45.252443Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000061250 |
| Status | PUBLIC |
Content hashes
| Canonical text | b1834d0097826d89689eba6e939d4a42bf286eaae6a44141952f9cdf1465b75b |
|---|---|
| Markdown | f10f498687020b5c6b49cee6069e0c24fede5a573ea4a8e278b41d60ca9a34a1 |
| Publication page | 25a0baf3656bc7d261fef0517f0eaa0607142dbcb9b6c332e3ee39247de0bfa1 |
| Manifest | 05a02e598d9c075a5da4a8201166c19924fec56bce1c6842f0e9ff5c95247cff |
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 | 723xQXowsxSHClZw8hFmMQ8RJJwYDejDfOz8d4yU5Fait/d7ZHEs3mFBe38nn9uTGQNpQRuP7rNiT6V5a/9JDA== |
| 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... |
|---|
Independent retrieval
| 2026-10-24T04:41:07.838469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250observed 25a0baf3656bc7d261fef0517f0eaa06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T04:41:07.767416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250/manifest.jsonobserved 05a02e598d9c075a5da4a8201166c199...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:07.691316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250/publication.mdobserved f10f498687020b5c6b49cee6069e0c24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T04:41:07.613008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250/publication.txtobserved b1834d0097826d89689eba6e939d4a42...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:41:13.884250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250observed 25a0baf3656bc7d261fef0517f0eaa06...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:41:13.509577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250/manifest.jsonobserved 05a02e598d9c075a5da4a8201166c199...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:41:13.258268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250/publication.mdobserved f10f498687020b5c6b49cee6069e0c24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T00:41:12.985679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000061250/publication.txtobserved b1834d0097826d89689eba6e939d4a42...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|