OpenTechnical

OT-2026-000074285

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000074285) never changes.

Identity and time

Publication numberOT-2026-000074285 · never reused
Internal UUID01a0ae93-7178-7e7c-873f-5dab3d34e160 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074285
StatusPUBLIC

Content hashes

Canonical text513417a0a12d791c337a5302ef94ec8b62035b781f591ba93c55bd6a5665a379
Markdown6217951303cbcac7500a22a20761b0f57253a5cd36425b310976d75fb1b5c0af
PDF
Publication pagef8688d0a048976c745a437b69e35ba9d8c1f9b420057826675b0c6b207653c9a
Manifestbd654b6db2d272fb715bc30648b1e8549acc96eb77cc3fc64561a97786aaa964

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
SignatureN80YjnKWW+OUMncg4hG+bg895NyCyvF6Vikn5epjI6cJVSgwUe+pMf8b5unK+7CHPD7tdzXrXmStZnlJ65prCQ==
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

2026-09-17T10:19:11.625926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074285
observed f8688d0a048976c745a437b69e35ba9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.607244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074285/manifest.json
observed bd654b6db2d272fb715bc30648b1e854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.588485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074285/publication.md
observed 6217951303cbcac7500a22a20761b0f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:11.570237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074285/publication.txt
observed 513417a0a12d791c337a5302ef94ec8b...
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.