OpenTechnical

OT-2026-000084401

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000084401) never changes.

Identity and time

Publication numberOT-2026-000084401 · never reused
Internal UUID01a0ae98-5b62-702e-a481-b8ad5a5c2e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084401
StatusPUBLIC

Content hashes

Canonical texta6312957d527cc1c15899adc5e97d61830c6e634f71e30c675cf4cf1ca1f5309
Markdown91e55887e79d40af90bcfb9bab7189a2f022a422aaa8d8257da2b1f07dedd2e4
PDF
Publication page3494a7863801f69317cf26a0fb71eb02c61321b1e5c50bcf1ea6c25678b906b8
Manifestb4d08df411bc46cd62255c5e6d8fedb5e72e4a9b91c0ab3a2bd98171245b7fa8

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
SignatureJ3gmTfSOJNDOhsVVLMgrMoQERFsup3cLc4GJoQs0Usqupk2YQVzNiL/lfcIzOtGVnU6BVQ6KSH24pCRr3Ez+AA==
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

2026-09-17T09:56:20.798192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084401
observed 3494a7863801f69317cf26a0fb71eb02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.781096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084401/manifest.json
observed b4d08df411bc46cd62255c5e6d8fedb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.763767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084401/publication.md
observed 91e55887e79d40af90bcfb9bab7189a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:20.746754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084401/publication.txt
observed a6312957d527cc1c15899adc5e97d618...
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.