OT-2026-000021287
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000021287) never changes.
Identity and time
| Publication number | OT-2026-000021287 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7976-94d1-12b0ee117c33 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021287 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2cb3393a22191ec23e53f6657acde1240f53f9ae484936eb001dd91b2077ba04 |
|---|---|
| Markdown | 4633ff49de75e422324035514b94027c9929566f1632dd829630a9c2a67a382a |
| Publication page | 579f61f561ce6fda082dafbee8022c39dc720c9a42ab1cf2c15d0d33408ec78b |
| Manifest | 48ce9828d53deffa37d4dfebd1f55ea066cd8876be01cb0ceb803973fb8adc50 |
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 | Tk/qOa/DLHUAviJUcIeIGf4vMYeFWIMKPpGBMYTxlsYTfDNnVx5HiXUgRzUJmIpRyEmsTD/zkYDDdihQ2fsaDg== |
| 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
| 2026-09-17T11:55:07.255050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021287observed 579f61f561ce6fda082dafbee8022c39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:07.236726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021287/manifest.jsonobserved 48ce9828d53deffa37d4dfebd1f55ea0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.219509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021287/publication.mdobserved 4633ff49de75e422324035514b94027c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:07.201506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021287/publication.txtobserved 2cb3393a22191ec23e53f6657acde124...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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