OpenTechnical

OT-2026-000015559

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000015559) never changes.

Identity and time

Publication numberOT-2026-000015559 · never reused
Internal UUID01a0ae6d-ef4b-7c67-8314-6e1b0e8a75e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015559
StatusPUBLIC

Content hashes

Canonical textc5556d846555ad12ecaa76fd20712bc1df854fbb9ef1e3b10b5b092701398bfd
Markdown7b48e45fb7897c6b7c1affd20071fcd3ad705eb605ee77ec81f3d671627ce602
PDF
Publication page7510880bb47105bc9246cd285d4ba4005b7b8f60607a6a34045378edd4085d89
Manifesta7bcbafe6f34416d067bccf2dfa978ec120b21010eef339ae1c616600fd90720

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
Signature6q3q7POUPkE5rYzZ6yY/R8eIFHkWYkMFF8AxiEECqR1iDk9UMdxv2yHy1f7ffbt+QknJgQCAArTt1OPGo/8TBg==
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

2026-09-17T12:06:20.842049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015559
observed 7510880bb47105bc9246cd285d4ba400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.824067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015559/manifest.json
observed a7bcbafe6f34416d067bccf2dfa978ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.803746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015559/publication.md
observed 7b48e45fb7897c6b7c1affd20071fcd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:20.783866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015559/publication.txt
observed c5556d846555ad12ecaa76fd20712bc1...
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.