OpenTechnical

OT-2026-000068757

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000068757) never changes.

Identity and time

Publication numberOT-2026-000068757 · never reused
Internal UUID01a0ae90-6dcb-720f-8f9f-bd96909dfd60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068757
StatusPUBLIC

Content hashes

Canonical text995ab4caad348aa081ee98985cc488ce4f0c11ca1c32360ca0a1a68f44fbef8d
Markdown7845b3d3dabc76d71ab56dc5feb6ba52d13fd52044f0baaa1e049e79e51fc8db
PDF
Publication page627d295d94beb9506cf5ae37baac0ed4bde206338399d28774cbfff836a10e34
Manifest6a0889370e6d3cfa13064a18c3bd76cc4faea56cea6986bbbda8e110847fd6f5

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
SignatureqmkOXjjtjtVHkM7YEBjukPtqkIPBLz3iEq3J+ly9eH1TydXvUMoR3Yz4JyToP96mVDiBhCArJWLOn4QBeNcBCw==
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

2026-09-17T10:28:32.363359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068757
observed 627d295d94beb9506cf5ae37baac0ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.346682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068757/manifest.json
observed 6a0889370e6d3cfa13064a18c3bd76cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.330154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068757/publication.md
observed 7845b3d3dabc76d71ab56dc5feb6ba52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:32.314182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068757/publication.txt
observed 995ab4caad348aa081ee98985cc488ce...
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.