OpenTechnical

OT-2026-000070544

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000070544) never changes.

Identity and time

Publication numberOT-2026-000070544 · never reused
Internal UUID01a0ae91-5460-71e2-8309-6475e38e557c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070544
StatusPUBLIC

Content hashes

Canonical textac618f419cfe6513da6e8cefaa878aafaf57b9c51d10376f64c6ced9bfc0959d
Markdown0854cdb609869285c45d228758262a7e7497bd962045e15a6f69c8cf1ee1a9c3
PDF
Publication page656161adb4280fbe5448e20fcdc8890a56b039a3b9ca9876db5f98281c85c8f4
Manifestccaad27129948b782b871a2734fd4f622863788c3ee89b670c769babc73312fe

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
Signature4JS3lUcKzw0OtobPm19BSXY+jb26FXkI+A6L6k3CNWnuxCh9lDy55KNI3klm1bEcWlIe0Ad+nhn3Y6h2MBLPAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:23.537311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070544
observed 656161adb4280fbe5448e20fcdc8890a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.521399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070544/manifest.json
observed ccaad27129948b782b871a2734fd4f62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.503357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070544/publication.md
observed 0854cdb609869285c45d228758262a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.484151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070544/publication.txt
observed ac618f419cfe6513da6e8cefaa878aaf...
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.