OT-2026-000028723
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down
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-2026-000028723) never changes.
Identity and time
| Publication number | OT-2026-000028723 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7a3b-9f1b-4179e73f3710 · 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-2026-000028723 |
| Status | PUBLIC |
Content hashes
| Canonical text | e085b1e3b0b1fedf5587e540a6eebb06ae1ed909124ea7133ea34a541d28606f |
|---|---|
| Markdown | 55cdf9481dac4b4790a16a81013e61e599377f0609e260f52cddbbb695b73e51 |
| Publication page | fa49c98bd83e2df404f660cbade4a412a3628753cde248c3fe839ac321c859bc |
| Manifest | d40614332302c6fb8ace3eb06f9b0198b5e7ea0cf163305659b74520efcbd2d9 |
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 | oBFj6+CNa9reyXVpo3IRpok9NwKrMk3a2qMKQFuc5mTWWeyBpzMRsgTNV22XRpahPG6441DsNaxahrL6ZvkLCA== |
| 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
| 2026-09-17T11:41:43.532740Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028723observed fa49c98bd83e2df404f660cbade4a412...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.510945Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028723/manifest.jsonobserved d40614332302c6fb8ace3eb06f9b0198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.489539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028723/publication.mdobserved 55cdf9481dac4b4790a16a81013e61e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.467814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028723/publication.txtobserved e085b1e3b0b1fedf5587e540a6eebb06...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. |
|---|