OpenTechnical

OT-2026-000084472

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000084472) never changes.

Identity and time

Publication numberOT-2026-000084472 · never reused
Internal UUID01a0ae98-5b63-7048-8e18-0eb8f9e5740a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084472
StatusPUBLIC

Content hashes

Canonical textcf3befdd7151371b31901ee532f2680956865f4b22063bb6c082a5e287bcb92e
Markdown0372aae9f23f99a0ca08899671a450518f29001aab933faa0fa56fa9ea46cc44
PDF
Publication page7502e598ce9f2207ecbd58e919a2b790394bf64fa84f5e197172d9105ce5ee89
Manifestc01c1f6c4d2cd7c9540fa3494317151c0c0ef75c71ecca20d0415c686a4adccf

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
SignatureCAG7CGvIRqIStt7Ho/22YGhFTeIee7rjWHftey0MzA8lXPUEosEun3vVasntazLDuGoE2d0f19ud+ax07TbmDA==
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

2026-09-17T09:56:26.281302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084472
observed 7502e598ce9f2207ecbd58e919a2b790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.263216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084472/manifest.json
observed c01c1f6c4d2cd7c9540fa3494317151c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.245713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084472/publication.md
observed 0372aae9f23f99a0ca08899671a45051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:26.228503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084472/publication.txt
observed cf3befdd7151371b31901ee532f26809...
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.