OpenTechnical

OT-2026-000097018

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000097018) never changes.

Identity and time

Publication numberOT-2026-000097018 · never reused
Internal UUID01a0aea1-01c8-76d6-8525-55a011e5f791 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097018
StatusPUBLIC

Content hashes

Canonical text437d328c9abba7c0c520f440a04a0c3359756a734ea6127d4b7852891813761b
Markdown2de7fcbddd8674d710c53cb8764ced3360138d10cba46ca572213635193ae18d
PDF
Publication paged7abbb42f101d0b2a33216cd78ad7016f8965391fdfcd744682d55e5cde8c684
Manifestb890ebe0146f9ee1e9c48a2eb0eec11339aded8b1ae518e59bf89d2131ebaf4e

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
SignatureP6BkKTiG2OTmo4cuE2mbUTxCwIR/6qS5/ZuPCh0GDTDpA60tHET9PFb/dbEy+QcUj4utEq1MatjeS9krJUeHAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:30.126527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097018
observed d7abbb42f101d0b2a33216cd78ad7016...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.110471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097018/manifest.json
observed b890ebe0146f9ee1e9c48a2eb0eec113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:30.093241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097018/publication.md
observed 2de7fcbddd8674d710c53cb8764ced33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:29.953957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097018/publication.txt
observed 437d328c9abba7c0c520f440a04a0c33...
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.