OpenTechnical

OT-2026-000069460

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000069460) never changes.

Identity and time

Publication numberOT-2026-000069460 · never reused
Internal UUID01a0ae90-b52a-7cde-aed4-ac35b851c531 · 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-2026-000069460
StatusPUBLIC

Content hashes

Canonical textabe4706c9b132ff75ea860c266322ed925a36048ccf68e2c6759b057e8e35d82
Markdown45ab07b8b411780d5d0a107d76e73effdd850cf16e35e3a2c52bd2f81922a6b6
PDF
Publication page0df8912236c8e71c917cc02f256ab4e30d3736bbf93fe550b3d14bb95cad3af1
Manifest5ef586c8585fdc8b12bad58011c8e8f32dc1710b4a9debed19f4a93bc14f05a8

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
Signature3ucmKHzeQzXrUTgRljTSQHrv6wIgXReQsPMC9x1UEhC2ZUUcjQt6tGdESKb1AGOnfeEh9Dk6zRqC2s5g9TOPCA==
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

2026-09-17T10:30:31.997421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460
observed 0df8912236c8e71c917cc02f256ab4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.979635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460/manifest.json
observed 5ef586c8585fdc8b12bad58011c8e8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.960969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460/publication.md
observed 45ab07b8b411780d5d0a107d76e73eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:31.942564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460/publication.txt
observed abe4706c9b132ff75ea860c266322ed9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.772010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460
observed 0df8912236c8e71c917cc02f256ab4e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.753934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460/manifest.json
observed 5ef586c8585fdc8b12bad58011c8e8f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.735957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460/publication.md
observed 45ab07b8b411780d5d0a107d76e73eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:04.719932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069460/publication.txt
observed abe4706c9b132ff75ea860c266322ed9...
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.