OpenTechnical

OT-2026-000087696

Publication integrity record

Four cup vacuum gripper, four zone face, single 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-2026-000087696) never changes.

Identity and time

Publication numberOT-2026-000087696 · never reused
Internal UUID01a0ae9a-cd54-7860-ac0a-8e9c5698e6a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087696
StatusPUBLIC

Content hashes

Canonical text2ae8fa273cd92aceb10a82503e0a5892ca8dfd01eed1140b8dcd2d1ab195bee9
Markdownd67903eadb118bf338fdacf88a6b3c8e0bc56cac45b2855b3e55fcb92b6ed3db
PDF
Publication pagecbf39c24fdf9b7c039ff93fd1e9cf097284610f55d3456057c0dc5b12668c213
Manifestc7400e52596b8e61ad6b67c3a6bdc4a0b9b41370fb4bb2f872c863bae8e69519

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
SignatureTovoqGsZxGczbbLQMNFOZG7XT6TgRhlltJytU6Y0DLJUS5F9yKBcGAWHe2NY+3Ez0ir1M7QWsN4RFf5FW/0qCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:08.744762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087696
observed cbf39c24fdf9b7c039ff93fd1e9cf097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.729644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087696/manifest.json
observed c7400e52596b8e61ad6b67c3a6bdc4a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.713520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087696/publication.md
observed d67903eadb118bf338fdacf88a6b3c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:08.698125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087696/publication.txt
observed 2ae8fa273cd92aceb10a82503e0a5892...
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.