OT-2026-000004512
Publication integrity record
Vacuum cup gripper, per zone isolation, six outlet manifold, pump fed, pressure verified, contact triggered
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-2026-000004512) never changes.
Identity and time
| Publication number | OT-2026-000004512 · never reused |
|---|---|
| Internal UUID | 01a0a91a-738c-7918-9a37-64eeba29def9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:24:38.159341Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004512 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91a4f4d2199af4305e0f79f6ca827158cb6502b5cdbd25212e55afde3cda7135 |
|---|---|
| Markdown | cbf8df0f65f22e0a4ac7832258ccf936d65015cfc0fa90503d47478fa5549d4e |
| Publication page | b79f83030b90874c1f451af9c71a00db6561a99ce435738118bb04522704c641 |
| Manifest | 2677b660cf7206f0bd491cacfe32775c4754fbfe751260182f18e17ebb831024 |
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 | pMV2+GuRAPSBvycwb1z83AYY4DkYG66DpWFEuoodxsNDlZW6eq7xicsJvC5bUtw3u6HMb7PoulVIACWBTarTBA== |
| 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
| 2026-09-16T07:30:19.710516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004512observed b79f83030b90874c1f451af9c71a00db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:19.699422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004512/manifest.jsonobserved 2677b660cf7206f0bd491cacfe32775c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:19.686369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004512/publication.mdobserved cbf8df0f65f22e0a4ac7832258ccf936...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:19.673777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004512/publication.txtobserved 91a4f4d2199af4305e0f79f6ca827158...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. |
|---|