OpenTechnical

OT-2026-000012308

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000012308) never changes.

Identity and time

Publication numberOT-2026-000012308 · never reused
Internal UUID01a0ae6d-39f5-7db5-8d57-bbd3667fef7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012308
StatusPUBLIC

Content hashes

Canonical text3dea6498736fd931a0d1a8a2171f22954dcc41bee6ed029e6ca21995e1adf098
Markdowne975f8ed7bbe0f0cec5eb49faaded154468cef2746fc03c8b61e56cd8481945a
PDF
Publication page3f709666d461de7cee9ae12012eb6109926ac776d330bf6251e1cf7ad3ae0783
Manifest7b96cabd94163c6212903be2760867babbc5c115c4df9df60ff08e35ae04dc7a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature0C88xJwzONM/LFeOxvZXbmESCTNSc9fmqOX34LdFj6L1elqiutxDVgSsSV7/ec56VyStwC6kNIiXaF8j7PqHAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:15.185673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012308
observed 3f709666d461de7cee9ae12012eb6109...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.168243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012308/manifest.json
observed 7b96cabd94163c6212903be2760867ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.149491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012308/publication.md
observed e975f8ed7bbe0f0cec5eb49faaded154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:15.131601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012308/publication.txt
observed 3dea6498736fd931a0d1a8a2171f2295...
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 archivePending 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 packagePending Custody packages are produced weekly.