OpenTechnical

OT-2026-000069251

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000069251) never changes.

Identity and time

Publication numberOT-2026-000069251 · never reused
Internal UUID01a0ae90-b528-77c6-983e-5d3c8a254f78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069251
StatusPUBLIC

Content hashes

Canonical text86b42dd089592ea9223abc7f8797745d6fb4f791edf37e1db95987e248bb61c1
Markdown9c361cefea58e5341ba1ecb36e1a8389a02fbbf28e67d90941d7f9b4b11fa048
PDF
Publication pagec244bbffaba5d331eb06e0e2ba3455beba36acebb321dd59e8ced18dabbc5058
Manifest033677c9c4301292604f2154c5d6f6e29f82b6bd5af35e2455671bf3f66d0b29

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
SignaturecpSnQ/wOoICELf5/tdxv+fICWd+jWpxX7gEDliKDuyyimiDhTA9Edo8+w8y2cEzmcoyEay3wo2M/GsZXVPXbBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:27:19.476678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069251
observed c244bbffaba5d331eb06e0e2ba3455be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.460000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069251/manifest.json
observed 033677c9c4301292604f2154c5d6f6e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.442043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069251/publication.md
observed 9c361cefea58e5341ba1ecb36e1a8389...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.424935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069251/publication.txt
observed 86b42dd089592ea9223abc7f8797745d...
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.