OpenTechnical

OT-2026-000017595

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000017595) never changes.

Identity and time

Publication numberOT-2026-000017595 · never reused
Internal UUID01a0ae6e-76ca-7b12-a050-dcc96a694eba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017595
StatusPUBLIC

Content hashes

Canonical text5b2fa0333b8f9d884f75530c70fefb39d34116e0967cfdc24a6ca9828d7fdc54
Markdown558c31000dc6086a5e09c09eff3999b953053bd8c6a1b562319319aa4def4296
PDF
Publication pagec9639004bdf34ce2bc8989cf88f2948d6d73d661782172d8c44470946973566a
Manifestc4e2d90bd3070dc318a71fa3404e1400a8558dcbd114c5d1e9b5ecd938044665

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
SignaturehEr0w/NLl8HuGr5Z7a2gHDBIV2zTw37ncl3z4T16NFJH6uO73COxHWT1izsOMGWQ1rPGkgAK9zDAVx8x0iv5DA==
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

2026-09-17T12:02:46.072928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017595
observed c9639004bdf34ce2bc8989cf88f2948d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.055430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017595/manifest.json
observed c4e2d90bd3070dc318a71fa3404e1400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.038471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017595/publication.md
observed 558c31000dc6086a5e09c09eff3999b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:46.019217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017595/publication.txt
observed 5b2fa0333b8f9d884f75530c70fefb39...
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.