OpenTechnical

OT-2026-000014619

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000014619) never changes.

Identity and time

Publication numberOT-2026-000014619 · never reused
Internal UUID01a0ae6d-d092-71be-ba25-6579de3f14e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014619
StatusPUBLIC

Content hashes

Canonical textb1ed56df0322a024f9a5588cc21685195d6f792b7e1188d596263186d6fde70c
Markdownbc89a83b50018a7cec65938dff2332ed1de630556f44e840f2aa0f5df7ef7893
PDF
Publication page5fb2c9c6c23673586a0fb89e976511b559fc22220ba4878bf81b527792c830b8
Manifestc85d1c3ed266815acf22951e6c23cfbc1e5ad9488fe6738baa74895b171ff835

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
SignatureJoIfLiLjUXn6xUhPHGhiFE1IMinSC0yHL6SP6egJdgkuim3rq8l5K4f2cd6KpnnslcTNQMjAdJ4OUCncXET1Aw==
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

2026-09-17T12:06:25.853625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014619
observed 5fb2c9c6c23673586a0fb89e976511b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.836063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014619/manifest.json
observed c85d1c3ed266815acf22951e6c23cfbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.816050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014619/publication.md
observed bc89a83b50018a7cec65938dff2332ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:25.796026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014619/publication.txt
observed b1ed56df0322a024f9a5588cc2168519...
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.