OpenTechnical

OT-2026-000008983

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed blow-off 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-2026-000008983) never changes.

Identity and time

Publication numberOT-2026-000008983 · never reused
Internal UUID01a0ae6b-31b8-730c-9e1f-97b94ed306c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008983
StatusPUBLIC

Content hashes

Canonical text3d0bdc447a51c8b068630a8fbfcf98fff2030ae7de84ec1a3a191571226d6cd0
Markdowne0811ad26da4e56945e00a7df1c22c1f4939a17e8389b4240542c14ab07a0bca
PDF
Publication pagef650e3a816a3f01b8af3ad5ca1551d9dfe39bcf8ea43ce3c26bcbaa0d63e66af
Manifestb74d38389eb724a97c9c38cfe673d0448349337db4a2285da26bc758775493d0

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
SignaturejVg1j3lTnJTjNRPUUTFrZubPXSwHksjQP3h9hqHHNGUPl3YqBSrjhcABY3dRZ0n/RME0vCrAbFaq0d5b2NcuBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:36.473397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008983
observed f650e3a816a3f01b8af3ad5ca1551d9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.453855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008983/manifest.json
observed b74d38389eb724a97c9c38cfe673d044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.435428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008983/publication.md
observed e0811ad26da4e56945e00a7df1c22c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:36.397248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008983/publication.txt
observed 3d0bdc447a51c8b068630a8fbfcf98ff...
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.