OpenTechnical

OT-2026-000069402

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000069402) never changes.

Identity and time

Publication numberOT-2026-000069402 · never reused
Internal UUID01a0ae90-b529-7a1d-b5ba-9562313d887e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069402
StatusPUBLIC

Content hashes

Canonical textcf507157b910fbbe16b7f12ffc7c5e4ab10d45bb24230a88beca91c019496201
Markdownc1b81d2dca27a630a6dee0a6e844ffd9e48ebbd216b71b5437e332325675ae54
PDF
Publication page8edce980db752331dc0d2d5c3c136298beeef8d120470af458af58ff91a07e2d
Manifestbce5e313bf520074854447dd30b638a11130206fbdc04aef2bfad531914cb82b

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
Signaturev5q6YgsuLbesx6lnjhoCQipxSHMtw7ALpx+aoZndPa4ERrngHF3EwyadFeorOoBrcS6kmJRZbbakRblXPL2OAg==
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

2026-09-17T10:30:19.714876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402
observed 8edce980db752331dc0d2d5c3c136298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.693998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402/manifest.json
observed bce5e313bf520074854447dd30b638a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.673530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402/publication.md
observed c1b81d2dca27a630a6dee0a6e844ffd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:19.654591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402/publication.txt
observed cf507157b910fbbe16b7f12ffc7c5e4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.096101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402
observed 8edce980db752331dc0d2d5c3c136298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.079009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402/manifest.json
observed bce5e313bf520074854447dd30b638a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.061342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402/publication.md
observed c1b81d2dca27a630a6dee0a6e844ffd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:00.043875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069402/publication.txt
observed cf507157b910fbbe16b7f12ffc7c5e4a...
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.