OT-2026-000020675
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000020675) never changes.
Identity and time
| Publication number | OT-2026-000020675 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-77db-9534-337f1fe79f5e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020675 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3418105cca534b8feef7e6e2415907c33d2974f385ca215584034a0aa5547207 |
|---|---|
| Markdown | 5d03a67f0d5d933c620334774008daff64e88edc4e27003e8d38b624992c494c |
| Publication page | fb9ec8cd7af2c78cc6dfb52d0cb4e27561cfdf58279b85f6ad76040e6192b726 |
| Manifest | bb32336c46b4c9f2d174232b0965fa8403127b9f10c393935735da9879635720 |
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 | oympMq4TfIci+V3R2kbTSzkvSrZS13cwA0iXK6HNVNU45jbLQ4hDuLJRoD7kBDCZVz0MC3bKslfwXL9BEzveDw== |
| 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
| 2026-10-10T04:23:27.593667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675observed fb9ec8cd7af2c78cc6dfb52d0cb4e275...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T04:23:27.577927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675/manifest.jsonobserved bb32336c46b4c9f2d174232b0965fa84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:27.528379Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675/publication.mdobserved 5d03a67f0d5d933c620334774008daff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:23:27.490580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675/publication.txtobserved 3418105cca534b8feef7e6e2415907c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:40.367836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675observed fb9ec8cd7af2c78cc6dfb52d0cb4e275...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:40.267354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675/manifest.jsonobserved bb32336c46b4c9f2d174232b0965fa84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:40.193567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675/publication.mdobserved 5d03a67f0d5d933c620334774008daff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:40.076043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020675/publication.txtobserved 3418105cca534b8feef7e6e2415907c3...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|