OpenTechnical

OT-2026-000016497

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000016497) never changes.

Identity and time

Publication numberOT-2026-000016497 · never reused
Internal UUID01a0ae6e-2d13-71ca-af91-c813fd569d30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016497
StatusPUBLIC

Content hashes

Canonical texte0b4843add8ec7ef4207a4a9507bfedd1ceeb78ced919786d247ce76982b403f
Markdown3263e28d414f703787e58f5a9e1f48a01846fb96a472d387538c134a084a596b
PDF
Publication page558216c0cc24ad8ca2b9321d203903500b2936ea8edae74cb8e180b39e5fca6c
Manifestc84b5a21139d71c0b8aa37da74e7e836d1af872c3e33486c64c3061e30297cdd

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
Signaturep2P+4ZRnaHixhhjxDsbB1Jfi7EGVzWUkV1J8AWTipw1RO73u5ZJkxs4dnj44E7yK2rL608y/tjGqqwr8Mv+VAw==
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

2026-09-17T12:04:42.318568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016497
observed 558216c0cc24ad8ca2b9321d20390350...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.300524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016497/manifest.json
observed c84b5a21139d71c0b8aa37da74e7e836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.282576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016497/publication.md
observed 3263e28d414f703787e58f5a9e1f48a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:42.261799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016497/publication.txt
observed e0b4843add8ec7ef4207a4a9507bfedd...
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.