OpenTechnical

OT-2026-000084567

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000084567) never changes.

Identity and time

Publication numberOT-2026-000084567 · never reused
Internal UUID01a0ae98-e25b-773a-8009-386cf35dc930 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084567
StatusPUBLIC

Content hashes

Canonical text4ae64a98c236f38f6b2874c1bf650cca12e7cf3711a742bbfbfaac21d559df36
Markdown53ba77708b8d61ab9eead3a642d016f1ea46c13116f5790f727746f9e999804e
PDF
Publication paged47f1693b8461a003c3b2a18bbec393cd01cefc681c537fe9614a50cfc7723ee
Manifestd616d1c2df2cbb26b2cb524025f307b71a85e888ba5949d7341755df343c2a93

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
SignatureH1pmXpl3BHp0851FIFRd66R97MIpRhps7/y9u/Z4oyUVdjPpQEZZG5ZutyT7c6eCWNyVOeBObVaZeq7zmT8DAQ==
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

2026-09-17T09:55:27.768820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084567
observed d47f1693b8461a003c3b2a18bbec393c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.752590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084567/manifest.json
observed d616d1c2df2cbb26b2cb524025f307b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.736461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084567/publication.md
observed 53ba77708b8d61ab9eead3a642d016f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:27.717549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084567/publication.txt
observed 4ae64a98c236f38f6b2874c1bf650cca...
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.