OpenTechnical

OT-2026-000097331

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, 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-2026-000097331) never changes.

Identity and time

Publication numberOT-2026-000097331 · never reused
Internal UUID01a0aea1-01cb-7326-980a-501b63eab338 · 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-2026-000097331
StatusPUBLIC

Content hashes

Canonical text9cda5c360d9dedcbb9fa81ff81c7e98758a3a8e146665253b284b17afa641572
Markdown637fbe1d32f3a699dd7f2c422e7bf6d157c9595a3c81e739075cec1a2fca7f1e
PDF
Publication page21699b6008a663a08d791344ffef267114868104ec44dcdcf036a553ba58b766
Manifest5d8a1c806fbf12d5499895232865343f5837dde9ed89be3bedcb5f2079b11bf3

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
SignatureEfheeIfLSJyQhs1E/aYIA+6xhWH6y45ZvjzcTnR8QCyOj0rcvKLOCGXn3tqt1hPEmIl8pKApRQ98hlQt3QL0BQ==
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

2026-09-17T09:33:35.846221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097331
observed 21699b6008a663a08d791344ffef2671...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.824749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097331/manifest.json
observed 5d8a1c806fbf12d5499895232865343f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.806567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097331/publication.md
observed 637fbe1d32f3a699dd7f2c422e7bf6d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:35.789456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097331/publication.txt
observed 9cda5c360d9dedcbb9fa81ff81c7e987...
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.