OT-2026-000077688
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, vented after set-down, on a tool changer
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-2026-000077688) never changes.
Identity and time
| Publication number | OT-2026-000077688 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ecf-70bd-b1cc-1dcbbdb0f932 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077688 |
| Status | PUBLIC |
Content hashes
| Canonical text | b745e7369cd37905c7a31796fa630a9909c6a0dbd201b663e8a76549e8db51c0 |
|---|---|
| Markdown | 1765c4d3f28fb50a21fb8ec68733ab97e2216043a1bb4033986d3d7b3a8d7935 |
| Publication page | 77d762f7253baf1077904823f421edf4768a56fb0fb8e0c37dbadabfe3aeb7b4 |
| Manifest | 23059c92f0c398905ea3b08db841d562e1f2b30eb47661c0a1061504bbea4de4 |
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 | F+vrIea2jREcuhP4uaE7qqi8siqXtncHYQJu5EU9/d13Bv1Rr4IAJi3hk6PEky5KWA9g7J93nIA3wB+LlnxTAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:07:15.745735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077688observed 77d762f7253baf1077904823f421edf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:07:15.724299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077688/manifest.jsonobserved 23059c92f0c398905ea3b08db841d562...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:15.704064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077688/publication.mdobserved 1765c4d3f28fb50a21fb8ec68733ab97...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:15.681789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077688/publication.txtobserved b745e7369cd37905c7a31796fa630a99...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. |
|---|