OpenTechnical

OT-2026-000012577

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000012577) never changes.

Identity and time

Publication numberOT-2026-000012577 · never reused
Internal UUID01a0ae6d-39f7-7b51-b6a5-4e7ad908ae9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012577
StatusPUBLIC

Content hashes

Canonical text2fcde310ba9a1756014f269e158e335325b79eac5bc72f68f40b9276031c936e
Markdown8074612683608160a0a06df0e230491214b0e2155663a924da440fd767a10cfb
PDF
Publication page50f84ea6eb0001ebee97c36773cf8370f9a21ee017712e9181bc082c42e4869a
Manifest7cc673f99d7e930b6aa6537644a1282aa421d7b5b8880766b2403026e75b51c0

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
Signature+I+UOU78QkPr1Ot5p2j2tITEHJZRbQWOTIJg/ufXXXN5cgW7mHm2+jLcIWXAoAyQ/63OJtJ5SBxtbGmt5yGuCg==
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

2026-09-17T12:12:07.807739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012577
observed 50f84ea6eb0001ebee97c36773cf8370...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.789976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012577/manifest.json
observed 7cc673f99d7e930b6aa6537644a1282a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.770708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012577/publication.md
observed 8074612683608160a0a06df0e2304912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:07.751356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012577/publication.txt
observed 2fcde310ba9a1756014f269e158e3353...
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.