OT-2026-000004734
Publication integrity record
Vacuum cup gripper, four zone face, four outlet manifold, three 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-2026-000004734) never changes.
Identity and time
| Publication number | OT-2026-000004734 · never reused |
|---|---|
| Internal UUID | 01a0a921-a1a2-7307-a960-7905f26b118e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:28.708459Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004734 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2f797418ff5623fe0e25c0408d92d34783c240da343d376c5986e07e7977471 |
|---|---|
| Markdown | 7dadd68a0385481dea786679609e20e8231bb247966e0908b23bdf175e2a0af1 |
| Publication page | bcc74c5fdc7c895ce30b25a6b57c7141fa2b306bea84b7700d1f8f2686a5125f |
| Manifest | cda68f851d11690331218b22f49226fafc25a3ccb034409a3191cd59213134a7 |
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 | lcF+DYyVqcIUUweVjaqyxcMfuV75mr9QGB4lIz8hG+ZKz47+SLobbwrUmlwB+gH+6MGBb6gqNl7T+Nd4Ln0vDQ== |
| 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
| 2026-09-16T07:40:24.643832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004734observed bcc74c5fdc7c895ce30b25a6b57c7141...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:24.629050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004734/manifest.jsonobserved cda68f851d11690331218b22f49226fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.491310Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004734/publication.mdobserved 7dadd68a0385481dea786679609e20e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:24.478537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004734/publication.txtobserved a2f797418ff5623fe0e25c0408d92d34...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. |
|---|