OT-2026-000031945
Publication integrity record
Single cup vacuum gripper, three stage ejector, pulsed blow-off 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-2026-000031945) never changes.
Identity and time
| Publication number | OT-2026-000031945 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7b6c-b495-0590dc6749e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031945 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92b891808357a58e3df5d1b1700e3f553c00c330b87a31b2102f348ada46e68e |
|---|---|
| Markdown | 8b9ac04d2a4250253edcb16735f2e24f7b110cb8c549de6c39cd2060ba679ecb |
| Publication page | b4a90bba7952487a9b52deb9588baf36e78e0078186138a9bc4860394a1505b4 |
| Manifest | 54bc48a1aec0db70269831966899a08a01f3940d4f94feba2b60eeca3a1a212a |
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 | DrA7JNTEy9N1DJliNfSPydmFidyG8dISVHgoD6GpOH7cbaYF486EP1xTnlaJQAFTJlT8tnJ3f+G/Lz+f6ROiCA== |
| 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
| 2026-09-17T11:35:13.765814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031945observed b4a90bba7952487a9b52deb9588baf36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:13.749392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031945/manifest.jsonobserved 54bc48a1aec0db70269831966899a08a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:13.730964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031945/publication.mdobserved 8b9ac04d2a4250253edcb16735f2e24f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:13.711926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031945/publication.txtobserved 92b891808357a58e3df5d1b1700e3f55...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. |
|---|