OpenTechnical

OT-2026-000066495

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-2026-000066495) never changes.

Identity and time

Publication numberOT-2026-000066495 · never reused
Internal UUID01a0ae8e-ce41-7552-b4b0-503aeeaba0ca · 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-2026-000066495
StatusPUBLIC

Content hashes

Canonical textf0891e11508d49933fddcd80797378816958e70d591df6d72fb649d0889d7b15
Markdown1b1949355010e3b09387b8c142104decc18f54ae4c9e473330a2b4e187cc3612
PDF
Publication pagee4fb5e8e3168314de2d6d007a1cd690f16f25c2346fcb3822f5444cd3995230e
Manifest1251b02938b9091ecb348853cf61fc73728290a2368f1ad2a63537e9ef31d83b

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
SignaturehEw93MOld8HYwxj9NJBGg6S3UZl6BaHcqq0cgHJTni06UeEvGYVCTE+F5Z7nhIte7GduPZ9G6clTSeoDEyDAAg==
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

2026-09-17T10:32:45.133354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066495
observed e4fb5e8e3168314de2d6d007a1cd690f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.116678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066495/manifest.json
observed 1251b02938b9091ecb348853cf61fc73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.101546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066495/publication.md
observed 1b1949355010e3b09387b8c142104dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:45.085899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066495/publication.txt
observed f0891e11508d49933fddcd8079737881...
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.