OpenTechnical

OT-2026-000083969

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, sustained 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-2026-000083969) never changes.

Identity and time

Publication numberOT-2026-000083969 · never reused
Internal UUID01a0ae98-0419-7e98-b181-c31998cc2cfa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083969
StatusPUBLIC

Content hashes

Canonical textd7b1bb7bfb4c64b18d7d4c4855cf97b01936b89200997344fa8adfe679e687bc
Markdownc935d17739cfb0c8dbad8aa35b5bf853ca45e9dd38b850f1e96a3a7615c6377d
PDF
Publication page7019702e5f83aa16eed95e57847a0c1aae31eab7bca5fa9020ac54cbc63e0fa2
Manifest2327bcb4fa69bae818b8fc4c1ceea671a7a2c0cd6733cbaefd5d397707a2b111

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
Signature94Mk45xUzoYNGeRPk4j3RKNqaeRLUR2AxDipJGL4yuD7A3UjISlyAMU3wTrFaG18SB02VyFXgG082+DZepNABA==
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

2026-09-17T10:00:29.338941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969
observed 7019702e5f83aa16eed95e57847a0c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:29.317023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969/manifest.json
observed 2327bcb4fa69bae818b8fc4c1ceea671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:29.296940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969/publication.md
observed c935d17739cfb0c8dbad8aa35b5bf853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:29.275456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969/publication.txt
observed d7b1bb7bfb4c64b18d7d4c4855cf97b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.323322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969
observed 7019702e5f83aa16eed95e57847a0c1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.307398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969/manifest.json
observed 2327bcb4fa69bae818b8fc4c1ceea671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.288646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969/publication.md
observed c935d17739cfb0c8dbad8aa35b5bf853...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:39.260857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083969/publication.txt
observed d7b1bb7bfb4c64b18d7d4c4855cf97b0...
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.