OpenTechnical

OT-2026-000074683

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000074683) never changes.

Identity and time

Publication numberOT-2026-000074683 · never reused
Internal UUID01a0ae93-ac2b-7c79-93bb-6b6fdeb02276 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074683
StatusPUBLIC

Content hashes

Canonical text1d91b2fee9b186ebeabdd9a01c27ca2933ec49a4ea0173d2e06204f6585995b1
Markdown400a61229ed9ce47c3de5c7631031e57f7907618a9da49b59322a45ab44ea03c
PDF
Publication page8ee6d78e0d767ba87e9b241131e8504677afcdd9160938e7894d9f6905e6cc11
Manifestd74b5b099234a2f1bda31c83ddfb8d4f65768990820c2cdce1e1ed7d418a8760

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
SignaturepiI1xv9c1BSL5vdXPj7LZcWmqIbRE6bTeTvZ9WyVoJtoHc6bOlCun1AU4I/dQLqsRTxlzIgfL0tOFyGh5Z+SCQ==
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

2026-09-17T10:18:16.078443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074683
observed 8ee6d78e0d767ba87e9b241131e85046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.061284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074683/manifest.json
observed d74b5b099234a2f1bda31c83ddfb8d4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.042949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074683/publication.md
observed 400a61229ed9ce47c3de5c7631031e57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:16.021742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074683/publication.txt
observed 1d91b2fee9b186ebeabdd9a01c27ca29...
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.