OT-2026-000041709
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, sustained blow-off after 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-2026-000041709) never changes.
Identity and time
| Publication number | OT-2026-000041709 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a1-75c9-b99e-8c8195078ef3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041709 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3dfa5df36493e8bc173d1d1c815b80a60fc44ec00e0ab7bd8cb435e678610876 |
|---|---|
| Markdown | 39ae4038dd7f57e5b6856594ba1e88a0e97165c0ecc5472f82a2b9ed81728213 |
| Publication page | ebc040edc31946d998c69b38e2c29f490e9a4e1793e830675028d40610e8b0b6 |
| Manifest | 61893dce785c1d349d2a08518de08729bf98e7426b9447c9b03af1a8db45ef23 |
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 | 8W/qYoa4gG0GglT/K66PdLGDnXw5SDO9qAFO1OPYpLAEtxib0PoqLZmFO23n/PqldKP3bRLWnjxqGF64RKAZAg== |
| 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
| 2026-09-17T11:16:32.623965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041709observed ebc040edc31946d998c69b38e2c29f49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:31.377565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041709/manifest.jsonobserved 61893dce785c1d349d2a08518de08729...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:31.361933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041709/publication.mdobserved 39ae4038dd7f57e5b6856594ba1e88a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:31.345001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041709/publication.txtobserved 3dfa5df36493e8bc173d1d1c815b80a6...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. |
|---|