OT-2026-000028615
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump 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-2026-000028615) never changes.
Identity and time
| Publication number | OT-2026-000028615 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-70ea-8c07-a58dd4e512e4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028615 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4047ad6e238155e3c93d14ec5cdfc328ce438694290aae68d2d6b00ac6d835da |
|---|---|
| Markdown | 514de9889802f58cfc9926ece1c57fa432d3774842a36dcdef232cb854342bc3 |
| Publication page | ce3ac84d006772690eea4547a6a7dc00e892b09428db3a74fb02ec937837493b |
| Manifest | 19fb8c36d2b47717f50ee70e6cd556de9c9c6bbb3d2d1ea29448a723dba43295 |
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 | CQayy/wr0JDp7LIn1aemjz8F96UzlNj0OgXAalhUDaywAqJRsAio9Z5FMDQxZ4GOcK4WGK9boVBflbW43yIhAQ== |
| 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
| 2026-09-17T11:41:28.699031Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028615observed ce3ac84d006772690eea4547a6a7dc00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:28.680000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028615/manifest.jsonobserved 19fb8c36d2b47717f50ee70e6cd556de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.660769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028615/publication.mdobserved 514de9889802f58cfc9926ece1c57fa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:28.641333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028615/publication.txtobserved 4047ad6e238155e3c93d14ec5cdfc328...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. |
|---|