OT-2026-000027559
Publication integrity record
Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000027559) never changes.
Identity and time
| Publication number | OT-2026-000027559 · never reused |
|---|---|
| Internal UUID | 01a0ae72-6999-7bbf-94d4-afd8f7f42856 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027559 |
| Status | PUBLIC |
Content hashes
| Canonical text | a141f17c5e05e6ca7bb9ee6d3f9288492200c3d6e7328197cce304feae136641 |
|---|---|
| Markdown | c0ca00c949b9549e92601238f051caf3a2c168544f38017580d92314c36f8372 |
| Publication page | b9ea5c02d7dde6aa22756a638dc28420af727b8a70fc7d387272e15017625eda |
| Manifest | f9566d02fc3cca2ab7167f0b7026b0164a984379f67ecc82f250ef67d0dab82b |
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 | 2rtfUdhXY82cTYrFo35ovTuy20ocxBnXrsmcJ/PQWvL5Wx5IPQreuapU4BVb635EqHlvRu2G1rgQHe7uY77pAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:41:50.427365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559observed b9ea5c02d7dde6aa22756a638dc28420...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:41:50.301196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559/manifest.jsonobserved f9566d02fc3cca2ab7167f0b7026b016...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:50.165728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559/publication.mdobserved c0ca00c949b9549e92601238f051caf3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:41:50.046107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559/publication.txtobserved a141f17c5e05e6ca7bb9ee6d3f928849...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:02.940570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559observed b9ea5c02d7dde6aa22756a638dc28420...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:02.922911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559/manifest.jsonobserved f9566d02fc3cca2ab7167f0b7026b016...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:02.907734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559/publication.mdobserved c0ca00c949b9549e92601238f051caf3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:02.891341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027559/publication.txtobserved a141f17c5e05e6ca7bb9ee6d3f928849...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. |
|---|