OpenTechnical

OT-2026-000014059

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000014059) never changes.

Identity and time

Publication numberOT-2026-000014059 · never reused
Internal UUID01a0ae6d-8deb-76f0-b1aa-f7ed54caa9bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014059
StatusPUBLIC

Content hashes

Canonical text98b45b052f1d400abbf1d7840bbaa0c6d563b17388523cc4f9f67ceaa1f01fdc
Markdown4e126173905f54be525d944540ed5d28cd5ce144706f31a8c895b48c5c22fd81
PDF
Publication page6155c28449a15b74d482692c3567eb5659a5380e71ba6c8384e6360a1d3c6bb2
Manifest84bed56ecb75be1d69ce87aa17bdd4cd18c7580dd1e8ba4e8407a5f38e998399

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
SignatureGb7qJdeNHUNt7/2X7EFSJNVZN91hi/h19Zqk0SJDSq8orqEJg7fA1VHsSZ1VxaL68wSC2DMCH0lClCKUYElYCQ==
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

2026-09-17T12:09:17.980061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014059
observed 6155c28449a15b74d482692c3567eb56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.960578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014059/manifest.json
observed 84bed56ecb75be1d69ce87aa17bdd4cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.940865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014059/publication.md
observed 4e126173905f54be525d944540ed5d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:17.922607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014059/publication.txt
observed 98b45b052f1d400abbf1d7840bbaa0c6...
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.