OpenTechnical

OT-2026-000069532

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000069532) never changes.

Identity and time

Publication numberOT-2026-000069532 · never reused
Internal UUID01a0ae90-b52b-7e4c-ab28-a7b27ac6d8f6 · 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-2026-000069532
StatusPUBLIC

Content hashes

Canonical text7c6cd583060a921058c001edcda30d36cbd2defb7b5c68279e76b8ab7547d3eb
Markdownadaee56e14d5fa852b61b7430ffdb40dd9aaebac19616ff81e786a81a45e4df3
PDF
Publication page6df0673350254be70d957f58b65f16ca2c21eebb09d1f91968b139c0c516f3a2
Manifest72017f32183133055a9f6fbb7702b932d6c07a93b2e6e73f99cc1ad014cb0a45

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
Signature1f5cXEO1FTxgHDvNueYyt3LH6+rjj4GMzchPgWmfwLMOM2BHC5OuEhD7ggBp8dxSwlWZSn4FuQ6RwRs8bdmJAg==
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

2026-09-17T10:30:37.681346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532
observed 6df0673350254be70d957f58b65f16ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.660598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532/manifest.json
observed 72017f32183133055a9f6fbb7702b932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.639953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532/publication.md
observed adaee56e14d5fa852b61b7430ffdb40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:37.620936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532/publication.txt
observed 7c6cd583060a921058c001edcda30d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.718589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532
observed 6df0673350254be70d957f58b65f16ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.700421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532/manifest.json
observed 72017f32183133055a9f6fbb7702b932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.682144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532/publication.md
observed adaee56e14d5fa852b61b7430ffdb40d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:10.665227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069532/publication.txt
observed 7c6cd583060a921058c001edcda30d36...
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.