OT-2026-000004347
Publication integrity record
Vacuum cup gripper, two zone face, per zone isolation, 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-2026-000004347) never changes.
Identity and time
| Publication number | OT-2026-000004347 · never reused |
|---|---|
| Internal UUID | 01a0a914-bad4-7221-89ea-ab7a3c4a0cb7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:23.191794Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004347 |
| Status | PUBLIC |
Content hashes
| Canonical text | 451a62bb6ded8f104777cb9ad1c4b7aa4670c6807bee898b998458dddebab315 |
|---|---|
| Markdown | 9f8d8beca753f94efb0641c60ef444ab7cbde13468a3d7048badbb4e6be0dda6 |
| Publication page | eeb4c2e6047cf3ce6b6d9d23a076d5808b54437dcbd55b52ed61f13c6ba3f768 |
| Manifest | 5559e10f34af1039d42a2edc2be3238991b2a5aa659f75db88183e08e68f2b65 |
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 | sxE/hJYEv80qpg3IR45LYqT4zUtJlMmayUq3dnSrdhlOOblzWbg3qIJxAenmbyFsRfimrcalMsJePjK7vTK1Aw== |
| 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
| 2026-09-16T07:20:08.173563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004347observed eeb4c2e6047cf3ce6b6d9d23a076d580...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:08.158076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004347/manifest.jsonobserved 5559e10f34af1039d42a2edc2be32389...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.144052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004347/publication.mdobserved 9f8d8beca753f94efb0641c60ef444ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:08.128965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004347/publication.txtobserved 451a62bb6ded8f104777cb9ad1c4b7aa...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. |
|---|