OT-2026-000043978
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000043978) never changes.
Identity and time
| Publication number | OT-2026-000043978 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-d679-705c-a828-c39293b934bf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:06.584190Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043978 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff8430e47f8b1f1ede05ad62e4837a91d701d568efd74db7436556a280afee9f |
|---|---|
| Markdown | 236362f0a525b6f60ab66ed65ee31c37f0d36e2146220fa05825639b237b2e54 |
| Publication page | d94f53b8e15688fd0880e8ea937109f53d4c58d0f1dcade87096219b4b73d8b4 |
| Manifest | 89a2208766b0cf21813a649a15c11a9c9b35a33c7b8ed104afdaf7b73643a1ce |
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 | orR/fPelQWuh2BDCK2pUaC5oOJ/R7dUOFQ1HzHsaLT2w6vAoxL/VdfL+mSHCYEYRXLHVpCy93GZGmrVXVA6UDA== |
| 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
| 2026-09-17T11:12:20.535723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043978observed d94f53b8e15688fd0880e8ea937109f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:12:20.515681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043978/manifest.jsonobserved 89a2208766b0cf21813a649a15c11a9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:20.494652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043978/publication.mdobserved 236362f0a525b6f60ab66ed65ee31c37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:12:20.474401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043978/publication.txtobserved ff8430e47f8b1f1ede05ad62e4837a91...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. |
|---|