OpenTechnical

OT-2026-000066507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000066507) never changes.

Identity and time

Publication numberOT-2026-000066507 · never reused
Internal UUID01a0ae8e-ce41-7416-ae94-f4af9bed58be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066507
StatusPUBLIC

Content hashes

Canonical text58d2f92f8991ac062e020e9e825015f693c38b5719aa03ec9974224acfd40c73
Markdownafda24e052266484fff75468f5d61b33854dbbdf157a6cf07270e44a509a3ee6
PDF
Publication pagefbedbbc0cf9a8c23a79563f6328e92dd105d37173f95320e6f5d7723ce726c51
Manifest253840caa25a6ad98911c82ce7d5cacbed43ba37ba1b88812d70bc51b2734b0a

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
Signature37r7xdEdrDSP741J4jkxILlC0Sagzln4QlNwrNKTpPwd2/cvwcZ/sZOnFqAgOV9yla5VpbbHSbuSYL4BBDn5AA==
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

2026-09-17T10:32:45.963950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066507
observed fbedbbc0cf9a8c23a79563f6328e92dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.947070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066507/manifest.json
observed 253840caa25a6ad98911c82ce7d5cacb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.931374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066507/publication.md
observed afda24e052266484fff75468f5d61b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.912159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066507/publication.txt
observed 58d2f92f8991ac062e020e9e825015f6...
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.