OpenTechnical

OT-2026-000097753

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000097753) never changes.

Identity and time

Publication numberOT-2026-000097753 · never reused
Internal UUID01a0aea1-92f5-7312-be41-ca0ac7751e7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097753
StatusPUBLIC

Content hashes

Canonical text80b236544edccc9cc9959f789a9eea2fdc6f53e11768a6714f39744bfc5c7095
Markdown64fcd4ef87c64afa99eed1fb6e13aa5a13b1f43fb9b2bd794b72da85b0caac97
PDF
Publication page7a46bae1e5dcf73f3191c714d9bcffd2c35f93658d6fc5314709472adc498b7d
Manifest20083a24df8355babf087e22d3965440572efd4982a9cec1b8f9f961bce16499

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
SignatureRZC5z5IcAO+5l17i1NV6laQsIskJWBbClIgG21DJQxoOO8gZqThvyS/6/EpCRQGgkftQ2Ae9zgHPo5dH6j4XBg==
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

2026-09-17T09:32:48.906276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097753
observed 7a46bae1e5dcf73f3191c714d9bcffd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.883083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097753/manifest.json
observed 20083a24df8355babf087e22d3965440...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.858933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097753/publication.md
observed 64fcd4ef87c64afa99eed1fb6e13aa5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.834180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097753/publication.txt
observed 80b236544edccc9cc9959f789a9eea2f...
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.