OT-2026-000103578
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, 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-2026-000103578) never changes.
Identity and time
| Publication number | OT-2026-000103578 · never reused |
|---|---|
| Internal UUID | 01a0aea4-e461-74da-b9b3-3896248cd88f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:13:57.105586Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000103578 |
| Status | PUBLIC |
Content hashes
| Canonical text | f2ef5dbe7439b32ea748202967a88056286e9afc2aa6741fd4e484bbf29c839b |
|---|---|
| Markdown | 1541b7de02d761f4fdbf96e08efdbce78545f84d4c0d065c9d32d42b97564c8f |
| Publication page | 4ee46defd129e1c1970990120508b8962b7110c2bbe0f6faf0628f7362ec1fb5 |
| Manifest | 5bc553c4b4c8a7658c655d0e5903dfa94508adaa9963f3e010f85eddb77c6c88 |
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 | P9HEzQ13gN1dclOWyt2EbbQpmcleVLWjItQRhC0wS0sPiHaaAXHZhz5yvHyzJqBwbKEfTW1Dlf1QX3vvch8ADg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:22:21.771372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103578observed 4ee46defd129e1c1970990120508b896...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:22:21.755375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103578/manifest.jsonobserved 5bc553c4b4c8a7658c655d0e5903dfa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:21.738217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103578/publication.mdobserved 1541b7de02d761f4fdbf96e08efdbce7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:22:21.723078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000103578/publication.txtobserved f2ef5dbe7439b32ea748202967a88056...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. |
|---|