OT-2026-000019939
Publication integrity record
Foam pad vacuum gripper, four zone face, single stage ejector, pulsed 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-2026-000019939) never changes.
Identity and time
| Publication number | OT-2026-000019939 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7219-b0bb-dc019dab09c5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019939 |
| Status | PUBLIC |
Content hashes
| Canonical text | 63c4dafb5fde13d9003502a1aec77a45e3b09a812e021ae9b5782a0bf271acf0 |
|---|---|
| Markdown | cedf8e0db1c30d7e7247778d4368244f92db27689e3b787c20d2cd64026de29b |
| Publication page | d4482b106976f89b2a4d78d2c562bafba9a6b0b434dce02b4c619c76e6984f52 |
| Manifest | 185b418297cc7e0c7d8de190949192a22a088d0b21b8c4431f00f145699d7899 |
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 | sCXHMduuARu1TJavPfy2JcpjdEpX60JFZRiLT4iaW9Ih4XuST2Ad71+j+7fjS/ZrYrxhGAWYPXo5HSYMTtvcCg== |
| 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
| 2026-09-17T11:58:09.130413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019939observed d4482b106976f89b2a4d78d2c562bafb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:09.111634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019939/manifest.jsonobserved 185b418297cc7e0c7d8de190949192a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:09.077430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019939/publication.mdobserved cedf8e0db1c30d7e7247778d4368244f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:09.043444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019939/publication.txtobserved 63c4dafb5fde13d9003502a1aec77a45...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. |
|---|