OpenTechnical

OT-2026-000079588

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented after set-down, on a tool changer

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-2026-000079588) never changes.

Identity and time

Publication numberOT-2026-000079588 · never reused
Internal UUID01a0ae96-0b92-7011-9e94-4382018f968a · 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-2026-000079588
StatusPUBLIC

Content hashes

Canonical textf02994b72f7cfd9f2b95494e67875c30556bcfc883f4f9e5b0b210ac713042da
Markdown49271e8fd17ded542eb8be85b0749015cf5be11e25ff541f27cd4abe297ed864
PDF
Publication paged44119b1ff176385af4c561a25e5daba2db6a41848e2abc7cc21fd9070f23278
Manifest349e51333e051b04d63966d1db7016a753c8a451c40606447baf741555702ea7

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
SignatureHRj7HnWHmO1JlVGmyzeKewkwDphHJwkh3IwYedn5RcS72amAikWiS4dmJMXvVHmUAOaU58iuHIzvDnnfcrGuDQ==
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

2026-09-17T10:05:14.681213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079588
observed d44119b1ff176385af4c561a25e5daba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.662705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079588/manifest.json
observed 349e51333e051b04d63966d1db7016a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.642536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079588/publication.md
observed 49271e8fd17ded542eb8be85b0749015...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.624173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079588/publication.txt
observed f02994b72f7cfd9f2b95494e67875c30...
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.