OpenTechnical

OT-2026-000012071

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000012071) never changes.

Identity and time

Publication numberOT-2026-000012071 · never reused
Internal UUID01a0ae6d-1943-7944-8036-09523611d204 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012071
StatusPUBLIC

Content hashes

Canonical textd33bb32058b08fae9e7ab3da4973bd2234a1c4ae08589a9d721621cf0dfc04e8
Markdown958a14e87fae57167bcb151b2cceed0b5c1aa01b843074a959d66eb8b83aafcd
PDF
Publication page6d255bac9f83b6c60ea6bbaa5342a4da76a2add83fff2c64cbabb202702476fb
Manifest3336f8bf73a6c52f446950a062f9fd4d32c88a276cd75070e024de875a545fdf

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
Signatureet5pdqBkCDHXrMPaXkZ0FjbcX4IzehRlw2iKY8iDrvTEQAXOxfUIRbzpRLVOw0V8hp/bz0lWRfhHaj6Kwi44DA==
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

2026-09-17T12:12:57.407456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012071
observed 6d255bac9f83b6c60ea6bbaa5342a4da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.389137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012071/manifest.json
observed 3336f8bf73a6c52f446950a062f9fd4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.370764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012071/publication.md
observed 958a14e87fae57167bcb151b2cceed0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:57.352361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012071/publication.txt
observed d33bb32058b08fae9e7ab3da4973bd22...
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.