OpenTechnical

OT-2026-000009530

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented after 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-2026-000009530) never changes.

Identity and time

Publication numberOT-2026-000009530 · never reused
Internal UUID01a0ae6b-7562-7e76-9b55-43174c2ef03c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009530
StatusPUBLIC

Content hashes

Canonical text94da304ac0ebeb17bb58f0cbe50ffabaaaf0e1f45cb032344bcd5244a36ed858
Markdown4c9e3be41f5b4249bf32deb76da39ebe318b82b2493b8a71f9b46801ff901934
PDF
Publication pagea45d38892808e90810c27c13a243313829db79379217fa76aee5a1f9c56346da
Manifest7d6bf5bae16a7109edcf9540ba9198a8a2afed2000514b03d8f42dd81814ac5f

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
Signature6Q1FWLYVDrlRm0AAI/Vvj9q5oLt2ic0mpUFPu83jN9r20ka1Xrfona2RoQx1nRr+yZTETVTQS5GSwGU8QtIXBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:56.896503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009530
observed a45d38892808e90810c27c13a2433138...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.878490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009530/manifest.json
observed 7d6bf5bae16a7109edcf9540ba9198a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.860569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009530/publication.md
observed 4c9e3be41f5b4249bf32deb76da39ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:56.841334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009530/publication.txt
observed 94da304ac0ebeb17bb58f0cbe50ffaba...
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.