OT-2026-000021513
Publication integrity record
Two cup vacuum gripper, two outlet manifold, plant vacuum fed, sustained 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-2026-000021513) never changes.
Identity and time
| Publication number | OT-2026-000021513 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7f9c-8bf2-aff3b4664fa6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021513 |
| Status | PUBLIC |
Content hashes
| Canonical text | bbfb8a02228022bdff5347cd26e25afedbb0242009458aae23a837e7231436c4 |
|---|---|
| Markdown | 3ece0a4b6e99f18ffc5c2e42757fed6a4560dd78805e6d3f9ccc0613d51cd058 |
| Publication page | 4fa37ca1161a9daeb72e6e9127d12a4ca00c8ffcc3c6c359bc058f0b0442f4fa |
| Manifest | f7b94ab743da51b0c83d528927a79e1d61b139a2f755ab9ca567909aaa28ae27 |
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 | +5i8fDSt1xfQwa21d/X4njWoTEn1jCXdwjoMadwXr4gbpoGnCcGXRB5m0+TqZWzw3cHx1qVLJAX4S18r5pEBCQ== |
| 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
| 2026-09-17T11:54:49.142366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021513observed 4fa37ca1161a9daeb72e6e9127d12a4c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:49.120347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021513/manifest.jsonobserved f7b94ab743da51b0c83d528927a79e1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.102696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021513/publication.mdobserved 3ece0a4b6e99f18ffc5c2e42757fed6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:49.008702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021513/publication.txtobserved bbfb8a02228022bdff5347cd26e25afe...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. |
|---|