OT-2026-000021782
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000021782) never changes.
Identity and time
| Publication number | OT-2026-000021782 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7710-8cae-614266061e65 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021782 |
| Status | PUBLIC |
Content hashes
| Canonical text | c673f642be754939231b3c50d03cebfe3e964c5c7d0e9f0387375f0b8cb487ea |
|---|---|
| Markdown | 98e51e65940ff03d46517a1da25d021c6c5de45c0ed75d49cc6c1bcce3050234 |
| Publication page | 2c4bf592514a670848ac4711e59fcabac25fe0b3dcdcb2a4898088134be2942b |
| Manifest | 149163a5f62223e5157ef70a7388c754e64561e839a1e77ad6f9bbc0ca615acb |
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 | 7drntedygrpipv0PoXiHVjYb6n6D6UINRfEhj/Q1fHkH0ZyEPlMDX4133wPDDoPf+NQDFszh0Aga8ddOnGnLBg== |
| 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
| 2026-09-17T11:54:19.767501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021782observed 2c4bf592514a670848ac4711e59fcaba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:19.748943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021782/manifest.jsonobserved 149163a5f62223e5157ef70a7388c754...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.728457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021782/publication.mdobserved 98e51e65940ff03d46517a1da25d021c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.709204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021782/publication.txtobserved c673f642be754939231b3c50d03cebfe...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. |
|---|