OpenTechnical

OT-2026-000079442

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000079442) never changes.

Identity and time

Publication numberOT-2026-000079442 · never reused
Internal UUID01a0ae96-0b91-783b-b53b-ec0538a35c01 · 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-2026-000079442
StatusPUBLIC

Content hashes

Canonical text0d67c53bfffd31f4804a92e11c5200272305262d1e0b3c11420ea4b7d304ac1e
Markdown47c594c504bb377ff7507e5969f3cc6c9327492721405040ba4b53d285746853
PDF
Publication pagee2ef1237d01b0c40e72262a89410745625233cb91ef13675377e8eb37d77d881
Manifest5573b44c5d756a6968d46552376daaa31c8ccd6305577a42f81ebb45382d39e3

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
Signature7nAI2pQ2Brep6ZbDdp4vvHbx0NaaYF+e+PRCf21kOZWiXMa/xqETSgM6jVgayu1BmUJVwOhZnQiSdDbWgeEvBw==
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

2026-09-17T10:05:04.064144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079442
observed e2ef1237d01b0c40e72262a894107456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.046638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079442/manifest.json
observed 5573b44c5d756a6968d46552376daaa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.028168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079442/publication.md
observed 47c594c504bb377ff7507e5969f3cc6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:04.010779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079442/publication.txt
observed 0d67c53bfffd31f4804a92e11c520027...
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.