OpenTechnical

OT-2026-000084354

Publication integrity record

Foam pad vacuum gripper, two 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-2026-000084354) never changes.

Identity and time

Publication numberOT-2026-000084354 · never reused
Internal UUID01a0ae98-5b62-7dcb-994c-036bc6d20776 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084354
StatusPUBLIC

Content hashes

Canonical text3df3a4aad19b5a16ab330a6b590ff69a2db68f1433a474623fb80611e7ba35d1
Markdown72cd698106be1d28aba24cc430e97aa76b7809f59cdfa0ef8823a39d0bce138b
PDF
Publication pagee0d9fc64ba543afc78107dd6e05c2583dd7572d4e11a36ff3014ab448fb73aae
Manifest3701c200b39c47c4ec9a5a532c52a673d38f7b05683848d528ee9ce9d96d8b57

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
SignatureyjvHxAMUQVxJ0gi9opmibEtlW0sG8JNTLuNt1434DlkHY9RmVeWoQccR1iYk44aY/L11AvmzbGhUVFTqjm9jCg==
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

2026-09-17T09:56:17.240090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084354
observed e0d9fc64ba543afc78107dd6e05c2583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.222345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084354/manifest.json
observed 3701c200b39c47c4ec9a5a532c52a673...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.204475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084354/publication.md
observed 72cd698106be1d28aba24cc430e97aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:17.185730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084354/publication.txt
observed 3df3a4aad19b5a16ab330a6b590ff69a...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent