OT-2026-000004685
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified, vented before set down
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-2026-000004685) never changes.
Identity and time
| Publication number | OT-2026-000004685 · never reused |
|---|---|
| Internal UUID | 01a0a920-1ac1-7fbe-a528-6c02bd90833b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:48.644916Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004685 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa3288f6886d2fe648ce49f3cde567de41eef26333f6532e5968d65f69b67adb |
|---|---|
| Markdown | c29c55745faa0ea67f8fcf2b6a9ba57a0d797645ab829505de7620d1db019bd4 |
| Publication page | 631550fdd04cbb4d1b2dcdda05e64cc9bebb2c70bc3ddee3d7d19a6db497aa9e |
| Manifest | 71e433a23aabde3d59a476c5f29766ea493bf75f5cb0bffc5ecff504dbd80fc9 |
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 | a3CEtklRryEIjSC1xlEAB+PjOrRY0EbFMQ8Gc3E5/VBc341AP19xKgQscgaTKRKlOyq28Hl8Mz8n4tmoAuKpAg== |
| 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
| 2026-09-16T07:40:29.714882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004685observed 631550fdd04cbb4d1b2dcdda05e64cc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:29.701429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004685/manifest.jsonobserved 71e433a23aabde3d59a476c5f29766ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.688956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004685/publication.mdobserved c29c55745faa0ea67f8fcf2b6a9ba57a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:29.676719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004685/publication.txtobserved fa3288f6886d2fe648ce49f3cde567de...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. |
|---|