OpenTechnical

OT-2026-000064668

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000064668) never changes.

Identity and time

Publication numberOT-2026-000064668 · never reused
Internal UUID01a0ae8d-deb8-7341-bd0c-d496559402cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064668
StatusPUBLIC

Content hashes

Canonical textdc7e6a959a3ea9f2ab8ef4d7d6b768caa0ea57429ec4a1a7acb8122f281b4557
Markdown1bfd988b8bbf538e3823d56cf06f2533f41e437d86bdeb2b335ca09867339f69
PDF
Publication pagef264e933872c6628bb60109d6fb368d98f19ecd8b7445864b4821809ce7717bf
Manifestbffa54745daf7ce0f00d3aa0859f71b39219cf6827df6f69604224c7a1ad6702

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
SignatureAFZzUGK5XwMpmt/wRYPG8pIz8xOrIq5lq0xs/6AcQtphCOEwd5U0dVeoJZl9R6Rnb85Uhhxw8AMXBVXqUmVvDA==
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

2026-09-17T10:35:27.697218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064668
observed f264e933872c6628bb60109d6fb368d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.679869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064668/manifest.json
observed bffa54745daf7ce0f00d3aa0859f71b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.662630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064668/publication.md
observed 1bfd988b8bbf538e3823d56cf06f2533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.644605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064668/publication.txt
observed dc7e6a959a3ea9f2ab8ef4d7d6b768ca...
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.