OT-2026-000004963
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two stage ejector, pressure verified
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-2026-000004963) never changes.
Identity and time
| Publication number | OT-2026-000004963 · never reused |
|---|---|
| Internal UUID | 01a0a929-5a10-7caa-b8c3-8730a80db687 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:40:54.675475Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004963 |
| Status | PUBLIC |
Content hashes
| Canonical text | ffd85969cf164c73053d95f8281f34eeaf6b9232396f6ee5e300ed449d2a67c5 |
|---|---|
| Markdown | da51285e26b47fcda0159e89517fb881bde5212ae77731f6c113dd2c0f42147f |
| Publication page | cda16bf82b9048aedc90fab9814008fa00189ac19e669057c526fd5e78fe4dde |
| Manifest | 42886d688287c99c2c6d7b5d75b1af9bf5fcf107d66246f6798e2d20accd55b0 |
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 | oCG5/+6XfaRRxeKpxDqc4JGjex6gC3RdlaNvl+V9anqnKWQ0kjyY4AxrptyIKrokqdvFk4eqXWMsEaS07SfDBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:50:30.391898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004963observed cda16bf82b9048aedc90fab9814008fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:30.379530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004963/manifest.jsonobserved 42886d688287c99c2c6d7b5d75b1af9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.238423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004963/publication.mdobserved da51285e26b47fcda0159e89517fb881...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:30.226504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004963/publication.txtobserved ffd85969cf164c73053d95f8281f34ee...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. |
|---|