OT-2026-000031248
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000031248) never changes.
Identity and time
| Publication number | OT-2026-000031248 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7c68-bfbc-bdc720a4a92d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031248 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5956e56c6198dee9ee8f4a918905b253e2559efdada7418c93ac7dde6abf171b |
|---|---|
| Markdown | 7e2d05bd5215cb70eebb717d68f3676f25719c1b9c2c79d4095c9af43f40be9f |
| Publication page | b4af659f5cabd319ddc46af6dfbe18ea0a85463034a07647abd7ff91f7129c82 |
| Manifest | 6e3f9d226ea8bdc7e5beb5484a54b6b4a74e280f7270ec0542dc50da3f1b1d85 |
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 | TwuoKa9p0XR2fajEhCsS5jcOlMNT1DtWOxWc/o/HDSIsOmywnUVIBk39mTepV+q59uMwJd1dEljvxZLJKaVoAQ== |
| 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
| 2026-09-17T11:35:49.341180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031248observed b4af659f5cabd319ddc46af6dfbe18ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:49.324469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031248/manifest.jsonobserved 6e3f9d226ea8bdc7e5beb5484a54b6b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.308598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031248/publication.mdobserved 7e2d05bd5215cb70eebb717d68f3676f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.283030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031248/publication.txtobserved 5956e56c6198dee9ee8f4a918905b253...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. |
|---|