OT-2026-000013752
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000013752) never changes.
Identity and time
| Publication number | OT-2026-000013752 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7b41-9986-582c1b3acc80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013752 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f1b643d9eefca6bbc5b487cf446073965de035c779cff44c0efbc7a4f5e91c2 |
|---|---|
| Markdown | 50a3bae118b343ca7234b57eca17bcdeaacf4be0b2caf33708176e69e5a98778 |
| Publication page | 321bd12d21c90eff78929a958d34f2d9df713b250238ee8b038b0e91d0861b6d |
| Manifest | 30d09356cbb73d8fc3a38497eaecb9bccfd6aa11da9c66d25937c757d253c399 |
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 | C1XXkLsls997GXyNKYUjb69pr4lrTqv7ItW/GcMuDprLGMYrUnKa+pBvHgao7eM0iP5DQbpRbh4hnt7H+QQKCQ== |
| 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
| 2026-09-17T12:08:49.364030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013752observed 321bd12d21c90eff78929a958d34f2d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:49.344411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013752/manifest.jsonobserved 30d09356cbb73d8fc3a38497eaecb9bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:49.320584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013752/publication.mdobserved 50a3bae118b343ca7234b57eca17bcde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:49.297603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013752/publication.txtobserved 4f1b643d9eefca6bbc5b487cf4460739...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. |
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