OpenTechnical

OT-2026-000015067

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down

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-2026-000015067) never changes.

Identity and time

Publication numberOT-2026-000015067 · never reused
Internal UUID01a0ae6d-d096-7dfd-b813-f8d2c1af2de9 · 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-2026-000015067
StatusPUBLIC

Content hashes

Canonical text65457102cd313352f31490a4ae0244aba0b10683e9811deb48a9180019fe2cf7
Markdown44ac9714d5b2696ed3a1c85d4404629fb598442caab28a10cf9c0d6af3ca49ed
PDF
Publication page5e028100fbb34e1bc416cd17fce6326a29a20bbfbcdb4c1f0c4255b7eb530a0a
Manifestb9bb72b243cdf0fd6077670bc0d6f47a496f7cefaf81e734b3864a66587e1fee

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
SignaturexxbVEOx5l4bIT7D1sdZAQqC5O3qhMgr9Bk0yqlTYi/y6GMRIklEquoZk8CCFx6q+fN/PiIJlWiUQFvt0KoydDA==
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

2026-09-17T12:07:06.746344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015067
observed 5e028100fbb34e1bc416cd17fce6326a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.726385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015067/manifest.json
observed b9bb72b243cdf0fd6077670bc0d6f47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.704287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015067/publication.md
observed 44ac9714d5b2696ed3a1c85d4404629f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:06.683735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015067/publication.txt
observed 65457102cd313352f31490a4ae0244ab...
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.