OT-2026-000004501
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, plant vacuum 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-2026-000004501) never changes.
Identity and time
| Publication number | OT-2026-000004501 · never reused |
|---|---|
| Internal UUID | 01a0a91a-1811-709c-8cff-582573f14b4b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:14.740587Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004501 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef489d81c6c085ecb158cf374cddfff7e74e4d16d20dad14d7c5583c59c5548b |
|---|---|
| Markdown | d5ac81987a725b11aa48f68c0c2420d4aa8e385eef90f776b38bb72d7ed7f7a5 |
| Publication page | 23c250f3daf5e30ee71ed641784089d538d766ede127704c7b76a75f058a2e01 |
| Manifest | a6c8e2d11698a34d71c6fe0b83d801fc8ddc3638ed6b9ce40060d3cc0a283c38 |
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 | EZyORrgXwdF30DLLoq2pIj08mhaXLBoGU6DS2uj2+SmYj1wcUofj1uubMWvbrusy3ZvJ6JIl8vlojRPdfrTvAA== |
| 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
| 2026-09-16T07:30:20.908723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004501observed 23c250f3daf5e30ee71ed641784089d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:20.893838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004501/manifest.jsonobserved a6c8e2d11698a34d71c6fe0b83d801fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.881452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004501/publication.mdobserved d5ac81987a725b11aa48f68c0c2420d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:20.743276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004501/publication.txtobserved ef489d81c6c085ecb158cf374cddfff7...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. |
|---|