OT-2026-000028919
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000028919) never changes.
Identity and time
| Publication number | OT-2026-000028919 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-702b-9ec3-5ba63c9f470e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028919 |
| Status | PUBLIC |
Content hashes
| Canonical text | ba690d91cb11337f94079b7537abfe7e4cce2088ef1a8ef0c1ac2b7fd369a867 |
|---|---|
| Markdown | a4acc2b1cc93b40c36034ad11a7573998dce21f772b77fb9b99cf211302f52be |
| Publication page | 4ccd3355f2edf2c9affc1b1581ce2186a932dcc8ebfbc3e7dfdf0c91cba77a7d |
| Manifest | fd7bc05958f1ae83da97ca2c98ae68cc40b2ce7e4957f528ae9363218113ecfd |
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 | wLkPd6mlFzwEsujY68VzaHjwm56M5AHSx2wPYuIpqxSlGjw3JvqgXHAJIDS0c2hls6F+jHHpVe5LCEiHoVN8Bg== |
| 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
| 2026-09-17T08:20:20.433605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028919observed 4ccd3355f2edf2c9affc1b1581ce2186...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:20.286979Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028919/manifest.jsonobserved fd7bc05958f1ae83da97ca2c98ae68cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.246721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028919/publication.mdobserved a4acc2b1cc93b40c36034ad11a757399...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.229266Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028919/publication.txtobserved ba690d91cb11337f94079b7537abfe7e...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. |
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