OT-2026-000013638
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000013638) never changes.
Identity and time
| Publication number | OT-2026-000013638 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de8-7d3c-b32d-678cbc7d4008 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 869ca86c0c9d9a11b1b2ed773a1665599e933a55f7592ad39bcd31f88c5a9ded |
|---|---|
| Markdown | b928d15d59bdc610ed12265888d6baf7937b5a8a7d9039c65c7859705d648283 |
| Publication page | 4fd35eb5415fcb44c6c7b72121f1bf7f95b574630dc6d63fe2e56ad11a15088a |
| Manifest | bf35bf511fa09e99dc56189602d129cd3415537d7acfdc407204919b10ce60ad |
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 | F1w1WRfS5s06FcmXqBbNSZbRIXE/cYJD65VIg8i/GGp3hCK0QqaWi6NETNICIHuPInvNbMLGivYWzOYZojcdDg== |
| 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
| 2026-09-17T12:10:33.419174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638observed 4fd35eb5415fcb44c6c7b72121f1bf7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:10:33.400488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638/manifest.jsonobserved bf35bf511fa09e99dc56189602d129cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:33.380652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638/publication.mdobserved b928d15d59bdc610ed12265888d6baf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:10:33.362689Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638/publication.txtobserved 869ca86c0c9d9a11b1b2ed773a166559...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:34.438331Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638observed 4fd35eb5415fcb44c6c7b72121f1bf7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:34.419641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638/manifest.jsonobserved bf35bf511fa09e99dc56189602d129cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:34.399144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638/publication.mdobserved b928d15d59bdc610ed12265888d6baf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:34.381413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013638/publication.txtobserved 869ca86c0c9d9a11b1b2ed773a166559...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. |
|---|