OT-2026-000073720
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000073720) never changes.
Identity and time
| Publication number | OT-2026-000073720 · never reused |
|---|---|
| Internal UUID | 01a0ae93-2b8d-7ba7-b172-4ef3dfd6ef64 · 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-2026-000073720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21cb5ce7a536adedfcc3ff1bad8261e2d3b1d2316550fd9eb23eaf9093b3e195 |
|---|---|
| Markdown | 3cf76ea9bda48bba95e49f47bd62c2f2860fd1a8d074196f87c5e823e8c1c46b |
| Publication page | 956d9412a52b4961de44c42e3c8edd023e017fae7e156a4306d79fb70900279b |
| Manifest | 20a8735d1e43461e438724aaff83424fb9410af1d8d1daf5d44460d1233e608e |
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 | ebnBzcJ3cxQzjJ4KPX7dTdCDj5PamQadZTE9/ltVjJRifpePDc/Xyo5En1oSwqMWE3jhMcsN0f+4tlJYGwSRDA== |
| 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
| 2026-09-17T10:19:47.641256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073720observed 956d9412a52b4961de44c42e3c8edd02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:19:47.625160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073720/manifest.jsonobserved 20a8735d1e43461e438724aaff83424f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:47.605761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073720/publication.mdobserved 3cf76ea9bda48bba95e49f47bd62c2f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:19:47.586511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000073720/publication.txtobserved 21cb5ce7a536adedfcc3ff1bad8261e2...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. |
|---|