OT-2026-000072404
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line 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-2026-000072404) never changes.
Identity and time
| Publication number | OT-2026-000072404 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d7-7f7a-9c7d-1e59bde5836f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072404 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47c79d1dce14278018a2c5eb410710bda8d75eb60506d860393e9da151d21344 |
|---|---|
| Markdown | 46e49756de482290ce06c34d1d29dd77e3b563695364596b36816d6efca81fd0 |
| Publication page | 8f136b036086b549fa3bc2dbc76cf17f6bf100671888845fb517a2ab6ec5e6d4 |
| Manifest | 3f8ba732d9812e37dd87913f3f676238dc36d487073912fc459268c1f6737165 |
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 | XLcn67sbXx0Sb/rJGrigZp/cZZmM/gwb9lfMaT+fprenhWj3CXeE9WfcApBYLoPN2lnm8RSJAOXw0LWJRvFqBg== |
| 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
| 2026-09-17T10:22:13.104414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072404observed 8f136b036086b549fa3bc2dbc76cf17f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:13.085173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072404/manifest.jsonobserved 3f8ba732d9812e37dd87913f3f676238...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:13.066377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072404/publication.mdobserved 46e49756de482290ce06c34d1d29dd77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:13.048123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072404/publication.txtobserved 47c79d1dce14278018a2c5eb410710bd...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. |
|---|