OpenTechnical

OT-2026-000014171

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000014171) never changes.

Identity and time

Publication numberOT-2026-000014171 · never reused
Internal UUID01a0ae6d-b279-7825-881d-7e48d6ac8d55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014171
StatusPUBLIC

Content hashes

Canonical text5f72f349e39cd2e3a7c7068af7744825724bb5e121aa7e027b0a951d61cf17b2
Markdownef1b44e48a37926865e7fb058829283b6e879a6b1c4a6e9a67256cb5aff3b9e2
PDF
Publication pagee212c735bbf570a1adf186773195cc5af9c3b258eb90f99ebfd6f218f2fe948e
Manifestb498852e12ca142fc8c40d6f3757b69c601902dc4d0c5c54b4114d4ad45b792b

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
SignatureTsGJp8J7nobSoTHiROanih+47qH5YHcNQ1J2nqnEK87QnLPnqYN5iJ6u2Jd0U71WwMSYNRsv9tj+5LzyDNCjAQ==
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

2026-09-17T12:07:15.683998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014171
observed e212c735bbf570a1adf186773195cc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.664534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014171/manifest.json
observed b498852e12ca142fc8c40d6f3757b69c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.644354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014171/publication.md
observed ef1b44e48a37926865e7fb058829283b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.624923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014171/publication.txt
observed 5f72f349e39cd2e3a7c7068af7744825...
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.