OpenTechnical

OT-2026-000079408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, vented 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-2026-000079408) never changes.

Identity and time

Publication numberOT-2026-000079408 · never reused
Internal UUID01a0ae96-0b91-7c0a-97d3-93b6b98bf03f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079408
StatusPUBLIC

Content hashes

Canonical textc20a7a2c89178ca6bd8c4c06fed6e6d24318d62db583c044b03704d7618e14d5
Markdown212cc670d819fc7abcb8b335dbe0f8589e51ddff62e5ec899cfbae5f02ef4a2e
PDF
Publication page0c4950984c7d617da20a578f056b77b645beb95e9ca4b16ec02b0b9ec2cd42ae
Manifestb61ad2cf816bf620d50fb58e4085a471577a4218f03cb9e69ab262866e49ea3c

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
SignaturenQ8LxVhbICTvOWtlgNUyXGz7EhNyKV89mxjhcH4yW+vYSjZJhnDnkKEogcKuBMsBJjx09P6BLZ/PHFTwgMp0Aw==
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

2026-09-17T10:05:01.917743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079408
observed 0c4950984c7d617da20a578f056b77b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.900446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079408/manifest.json
observed b61ad2cf816bf620d50fb58e4085a471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.883574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079408/publication.md
observed 212cc670d819fc7abcb8b335dbe0f858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:01.859358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079408/publication.txt
observed c20a7a2c89178ca6bd8c4c06fed6e6d2...
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.