OpenTechnical

OT-2026-000087967

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087967) never changes.

Identity and time

Publication numberOT-2026-000087967 · never reused
Internal UUID01a0ae9b-1aa6-7fdd-a059-61068b1a4fbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087967
StatusPUBLIC

Content hashes

Canonical textc581e3ca4783dd3c469437f0a1bbabda65d213be8abf5c231a508bb1f5e91430
Markdown1933e9be7c6d680cb49b6862a61316360e5958d431e46edb7e11956248cfb023
PDF
Publication paged334b705bfa4a5090d10217bff71c9b74081ce4f0444baa359309c6c57718b4e
Manifest6be6fc5ee5f381758d17cd999b2614cccfff9bae27fa9da4aad1ae099b4dbacf

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
SignatureoeKI4llh7aZ5UFgUlijXLbs8oYnGQGEfo1Nl4BcxpJOGv2uY9KUhK5oTyjnmfTcoxoK5HuLrVKxtIXhBN5FoBg==
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

2026-09-17T09:49:15.772403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087967
observed d334b705bfa4a5090d10217bff71c9b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.754979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087967/manifest.json
observed 6be6fc5ee5f381758d17cd999b2614cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.735165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087967/publication.md
observed 1933e9be7c6d680cb49b6862a6131636...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:15.716469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087967/publication.txt
observed c581e3ca4783dd3c469437f0a1bbabda...
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.