OpenTechnical

OT-2026-000086479

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000086479) never changes.

Identity and time

Publication numberOT-2026-000086479 · never reused
Internal UUID01a0ae9a-2c97-7b3b-8598-382fcc82154c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086479
StatusPUBLIC

Content hashes

Canonical textef853bd5d8bb91131a99ce893304ed6c5b0fb5cb3603427c54fc4391b7505435
Markdowncb0ff39f0245ee12e93aca6ba70ec719b01b157bc2f32efec513b9f1831dc45c
PDF
Publication page09a82f964a6326d530cc9e1c0684ae41c60505912041e9dda0a459451b8843c5
Manifest42e5ee780f860c6e8e5be4a01ec4dfedffac520280bec3f56237c19a17ca0a97

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
Signature9orlX1pci9wWRMKE6o/fmhyqEyKDTNDEtTNjYVYnCuWtZ6E4ficqK4w/zDZS083Xd+3UAJpaOAi/HnPFE+W6AQ==
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

2026-09-17T09:52:17.373554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086479
observed 09a82f964a6326d530cc9e1c0684ae41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.355714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086479/manifest.json
observed 42e5ee780f860c6e8e5be4a01ec4dfed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.338954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086479/publication.md
observed cb0ff39f0245ee12e93aca6ba70ec719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.319466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086479/publication.txt
observed ef853bd5d8bb91131a99ce893304ed6c...
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.