OpenTechnical

OT-2026-000099244

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000099244) never changes.

Identity and time

Publication numberOT-2026-000099244 · never reused
Internal UUID01a0aea2-8289-76ad-acd2-3ef2081e022f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099244
StatusPUBLIC

Content hashes

Canonical text3bd10a36afb6ae08532bdd92abe0d3773030686ecf78b72b7c8ef2738c031c3c
Markdown919a28868beef80647f13bbd3f918d7fa0e74b24ab066a67bef9d15848f82f2b
PDF
Publication page1a40ddeb8ebd2c6ea5cd6c68a59cf42941b12675b788a8efc7b5d6fbfae552a7
Manifest6857678f5f895f52711d77d65df3cf9432c0d7a0686b3fed78a53d3645e3a0ce

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
SignaturehrtZKY8qIivIPJFFBgVBg28kOv/XvBp6x6THTsdB3CH7dRo47MshhYHH5U+Hq0irYPAUiEvDu753Emjntx1sBg==
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

2026-09-17T09:30:40.996078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099244
observed 1a40ddeb8ebd2c6ea5cd6c68a59cf429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.978060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099244/manifest.json
observed 6857678f5f895f52711d77d65df3cf94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.958723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099244/publication.md
observed 919a28868beef80647f13bbd3f918d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.936492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099244/publication.txt
observed 3bd10a36afb6ae08532bdd92abe0d377...
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.