OT-2026-000041244
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000041244) never changes.
Identity and time
| Publication number | OT-2026-000041244 · never reused |
|---|---|
| Internal UUID | 01a0ae79-b143-7cea-a65a-f59915048cc0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:45.980839Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041244 |
| Status | PUBLIC |
Content hashes
| Canonical text | df349e8b908578a782b202877f23ffdcee2169525999375348279163a9e54801 |
|---|---|
| Markdown | d29af736b177996c72db2f1e1b66cbea167f6d1ca8ce252fa508960cb5a385de |
| Publication page | 4f3b5a0b0e4f3d259e23bee8c60368970a76708740baec8c3993440a34c2a85e |
| Manifest | 8f1fdd9a1d55bb959ee82c21a4c156b71812a92c7d9093ef7391a0ffe59492ae |
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 | kxGcB1Z9uNXRr1MgMNhuornjAyZLSm7RpHlC3bgdzKsOCwm0rijE0zGBRvrRjWEhcAAyFhghp3L32yd1QvZYDw== |
| 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
| 2026-11-03T20:41:04.812094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244observed 4f3b5a0b0e4f3d259e23bee8c6036897...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T20:41:04.751464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244/manifest.jsonobserved 8f1fdd9a1d55bb959ee82c21a4c156b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:04.673666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244/publication.mdobserved d29af736b177996c72db2f1e1b66cbea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T20:41:04.598097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244/publication.txtobserved df349e8b908578a782b202877f23ffdc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:12.613994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244observed 4f3b5a0b0e4f3d259e23bee8c6036897...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:12.560001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244/manifest.jsonobserved 8f1fdd9a1d55bb959ee82c21a4c156b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:12.496380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244/publication.mdobserved d29af736b177996c72db2f1e1b66cbea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:12.427296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041244/publication.txtobserved df349e8b908578a782b202877f23ffdc...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 |
|---|