OT-2026-000021725
Publication integrity record
Four cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000021725) never changes.
Identity and time
| Publication number | OT-2026-000021725 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-798c-96f0-95c8e69d248d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021725 |
| Status | PUBLIC |
Content hashes
| Canonical text | d96393055bdcf4c24b463918990f97109a2d4ba1299fa2351bd61b2b24583d17 |
|---|---|
| Markdown | 31013ec78e413426837100304cd92fdedecac810e1730bad67d80cf18419f675 |
| Publication page | 9ee10da67a6b4116e44f7aa698c3bd49830eb6879b570959eead6ecba6c8cb45 |
| Manifest | 18f27f7d1dd534aabf2d4c62f7f29f3bf0f9bd4b3374d2444773e9e77d33bfc1 |
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 | Ur3WHbXcGulRrXuE6StOzNY6EIxlxYtdqa5ohOX3k3bVzzukNchLSLivZ3fyvPX3gsU41affErF36vZFfasABA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:15.951217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021725observed 9ee10da67a6b4116e44f7aa698c3bd49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:15.933480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021725/manifest.jsonobserved 18f27f7d1dd534aabf2d4c62f7f29f3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:15.915219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021725/publication.mdobserved 31013ec78e413426837100304cd92fde...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:15.894450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021725/publication.txtobserved d96393055bdcf4c24b463918990f9710...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. |
|---|