OT-2026-000004111
Publication integrity record
Bellows cup vacuum gripper, four zone face, per zone isolation, pump fed
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-2026-000004111) never changes.
Identity and time
| Publication number | OT-2026-000004111 · never reused |
|---|---|
| Internal UUID | 01a0a90e-de2c-7ead-9b84-434dd41b49c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:59.022985Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004111 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c963e07f37af42903837ac935f7f3895a2b900c45cc496aa813a3add28a9a6d |
|---|---|
| Markdown | 92c295ffee4ec28272cbb2846164d96c040f3c4bac12f75da6171ae5b0ad28a2 |
| Publication page | 88024c6069534ab993bd27ecf9deac3c9d3e27f23bfcf35f883f27a05e5f6652 |
| Manifest | 29bdefad9dcad95ab657eda650eaf412badb16b303ca96029d340e7d44e9513a |
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 | SSDBcox6blwt9B4cjStqpWg9MT/L4JFXG+orHCtlv5cjk5xzhR0xfJU2PiIhYCWsKO66GwK/22SUDGNjzaMTCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:35.239221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004111observed 88024c6069534ab993bd27ecf9deac3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:35.224756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004111/manifest.jsonobserved 29bdefad9dcad95ab657eda650eaf412...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.210611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004111/publication.mdobserved 92c295ffee4ec28272cbb2846164d96c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:35.194935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004111/publication.txtobserved 8c963e07f37af42903837ac935f7f389...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. |
|---|