OpenTechnical

OT-2026-000099408

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, manifold 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-2026-000099408) never changes.

Identity and time

Publication numberOT-2026-000099408 · never reused
Internal UUID01a0aea2-c973-793b-8239-ba162aae4fa1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099408
StatusPUBLIC

Content hashes

Canonical text6388a9d86ae2527ecf9da1273dcd007296adab7a46578a49aedbe08220e72c57
Markdowna13bb86a9aa08fb658801f822c9a03f8054774772905f532c8f5628d92cd8eac
PDF
Publication page440963b11afed891c5fed8184415a042e5e816fceaddd5a55f1d9ad31943b149
Manifest20f3aaf428d30e9a7594f808fe6a427008a073a68c41d09b319cb9177db4d497

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
SignatureN/HbfGJ4RZc962QyLDu7NKrDXA2IwQgyF5yEpRY0FQMZq8h/suNLkgEhxf7jw+ogKF+AySZRjmo8t319v/YICw==
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

2026-09-17T09:29:10.544067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099408
observed 440963b11afed891c5fed8184415a042...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.526733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099408/manifest.json
observed 20f3aaf428d30e9a7594f808fe6a4270...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.509237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099408/publication.md
observed a13bb86a9aa08fb658801f822c9a03f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:10.491208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099408/publication.txt
observed 6388a9d86ae2527ecf9da1273dcd0072...
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.