OT-2026-000028831
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000028831) never changes.
Identity and time
| Publication number | OT-2026-000028831 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-73a8-9207-1a984219a2ba · 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-2026-000028831 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6ec74642d4189d661f937568e76005051a63781463e802c1beb26b069bb156a9 |
|---|---|
| Markdown | aaabec907e625f0762e32ec438ee61b2737b95e20ab513213e0b743899f40d70 |
| Publication page | 8aaca14b0d90644aee91ce00620f8b435e6cd9681a6b0e4c05becac1661b991e |
| Manifest | 881bad8cddc1b44905d31ebebe98582b4a8e99927743fd93938e140bd3b96fd3 |
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 | h1kVt3PJnTiV/o/Wzzek/9LKmXySV8vhgNDmhcwD/iJxENysJXqBD7UoN64YLDThoDLwIn5jxLx98IULkqEKDg== |
| 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
| 2026-09-17T08:20:05.710921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028831observed 8aaca14b0d90644aee91ce00620f8b43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:05.692630Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028831/manifest.jsonobserved 881bad8cddc1b44905d31ebebe98582b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.548183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028831/publication.mdobserved aaabec907e625f0762e32ec438ee61b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.528960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028831/publication.txtobserved 6ec74642d4189d661f937568e7600505...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. |
|---|