OT-2026-000050726
Publication integrity record
Foam pad vacuum gripper, pump fed, 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-2026-000050726) never changes.
Identity and time
| Publication number | OT-2026-000050726 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7906-81bb-985100f77882 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050726 |
| Status | PUBLIC |
Content hashes
| Canonical text | 526a6d6ef0d4d4c82dd60f811794dffe24e3794f411aa9b7ac4531dbf92a920e |
|---|---|
| Markdown | b27db11ff2c93826ca205759cfd410cdfcd472a92df816923718a4460fde27db |
| Publication page | 8c6f5e4826694c3527c773358fdca572a68860fcbbdbf264ed23157bf3f37b44 |
| Manifest | 75659120961486125468ee2b6f9063106fd6a5764a601749aff7e100bbb4fe45 |
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 | W+dubFRYNhtNDFrQ/tqj+wAIHUa7PJTnqp6ITrCs7uPocJKFDnPLO2XTvd+lNsk8rb38rTUo2ldS0X1oyqKeBA== |
| 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
| 2026-09-17T11:00:05.612485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726observed 8c6f5e4826694c3527c773358fdca572...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:05.590448Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726/manifest.jsonobserved 75659120961486125468ee2b6f906310...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.567056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726observed 8c6f5e4826694c3527c773358fdca572...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.566851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726/publication.mdobserved b27db11ff2c93826ca205759cfd410cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.537099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726/publication.txtobserved 526a6d6ef0d4d4c82dd60f811794dffe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.535423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726/manifest.jsonobserved 75659120961486125468ee2b6f906310...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.503218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726/publication.mdobserved b27db11ff2c93826ca205759cfd410cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:05.472903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050726/publication.txtobserved 526a6d6ef0d4d4c82dd60f811794dffe...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. |
|---|