OT-2026-000073638
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073638) never changes.
Identity and time
| Publication number | OT-2026-000073638 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8c-7a1f-bd0b-b9395140f50d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:35.679268Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000073638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57e796d607352acdc544215b56108b115bd3d703449fd4b8196f0c3dd297bd5c |
|---|---|
| Markdown | da8dfca6fe2b7e4353fc074a1a2764e94d47e69e8f5b33d2984084057a9138be |
| Publication page | af5c277e9f19c40e3fbcd36df2a2172d665185388e1178c35697ba978104f864 |
| Manifest | 4cf50b54f0118c7ef8faf2120a069d57f3be3f7717e00b72497978c1a09fc158 |
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 | enHz1YBr0+GE/4wfIaKa/A6dp3xZbzSKZD0RCTH/XfnpgfPtdeZXJQMasGZapGN36kDMrLbgLJwJsr6FJwkmCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:19:41.042625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073638observed af5c277e9f19c40e3fbcd36df2a2172d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:41.022583Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073638/manifest.jsonobserved 4cf50b54f0118c7ef8faf2120a069d57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:41.004994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073638/publication.mdobserved da8dfca6fe2b7e4353fc074a1a2764e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:40.988001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073638/publication.txtobserved 57e796d607352acdc544215b56108b11...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. |
|---|