OpenTechnical

OT-2026-000044783

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000044783) never changes.

Identity and time

Publication numberOT-2026-000044783 · never reused
Internal UUID01a0ae7c-911b-7039-bfca-e0cfbbd915a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044783
StatusPUBLIC

Content hashes

Canonical textf8e723a5344ce7d79c615cfead45109007bef33d8d40227c2111077e017eb603
Markdown6bd1be96685b21c8290fcf3a17c3fccb69ae7095e6a2a1d72859d2b241af7f79
PDF
Publication page946daeeaa165030f200a284e59a4d4be43e969d3abec33d67e75f5432832b297
Manifest927f62c4dacbbe9b3749abe2d18e6217c136aabc84b88692d200924b8ba4b7bf

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
Signature3QyrCef7kwE+PYmQoaN741FlpUky5YHT0lJ2Bul1QrwTe+jCvmm3KldZHlf7cFRQSmk5gieWqYte2ZAPRvg8CQ==
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

2026-09-17T11:11:24.538295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044783
observed 946daeeaa165030f200a284e59a4d4be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.519407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044783/manifest.json
observed 927f62c4dacbbe9b3749abe2d18e6217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.500926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044783/publication.md
observed 6bd1be96685b21c8290fcf3a17c3fccb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:24.480931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044783/publication.txt
observed f8e723a5344ce7d79c615cfead451090...
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.