OpenTechnical

OT-2026-000066684

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000066684) never changes.

Identity and time

Publication numberOT-2026-000066684 · never reused
Internal UUID01a0ae8e-ce42-7080-9923-a52672b0fe92 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066684
StatusPUBLIC

Content hashes

Canonical text8fdbcf106036a6c79779c4d2626239367abc1dac0588ef9d780b97dcf5d2f978
Markdown2185f7b8eba197086dbad73efd67ed372c61a23b68330d76d5e7735191c6e6b1
PDF
Publication page1d3a3fa8b62f0c454dc90d55c6d2e5b3582691402ccb640d6528bf84d7a2247d
Manifestabff4b0c483aa1c234c5bb8398466540cda5712612293392ac8d42f1cfa5130d

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
Signature7uxuiYOeNnduQ3X3q3pK2vpFz/leoe5ua/gbgzGL+1lcZiQFYevcRG+ABqF1RovoN2nOmvj1s0rmr7sjc02fAg==
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

2026-09-17T10:33:04.972372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066684
observed 1d3a3fa8b62f0c454dc90d55c6d2e5b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.956117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066684/manifest.json
observed abff4b0c483aa1c234c5bb8398466540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.937641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066684/publication.md
observed 2185f7b8eba197086dbad73efd67ed37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:04.918710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066684/publication.txt
observed 8fdbcf106036a6c79779c4d262623936...
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.