OpenTechnical

OT-2026-000071534

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented 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-2026-000071534) never changes.

Identity and time

Publication numberOT-2026-000071534 · never reused
Internal UUID01a0ae91-e0ee-7e52-9d05-02de42635ffe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071534
StatusPUBLIC

Content hashes

Canonical text93a77479b2baee836a027a78261b19182e6e774801acf3ca04b1e3d77f3f9913
Markdown87ab1aff1f915c82b53d70b3010fa3f5d0f1d0171e55121ef8d12b5874f3f626
PDF
Publication pageb02f98503c768423ed3db5efd715c24db6dfe030c262d4bb064ebb0de44d343d
Manifest91a0ccb7cbe8eaafa659351276ce8277dba9bdf95dc6ca51fb74402380c50ccb

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
SignatureUxL28vVNQLjPHMeIm7gHYXbXagmzMV2Ld6Rn44V2XJXfBRucDXghjYkSaExVgqFAKK45mZm0u9RR1J4gnCrvCQ==
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

2026-09-17T10:25:11.180644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071534
observed b02f98503c768423ed3db5efd715c24d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.162088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071534/manifest.json
observed 91a0ccb7cbe8eaafa659351276ce8277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.144011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071534/publication.md
observed 87ab1aff1f915c82b53d70b3010fa3f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:11.126377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071534/publication.txt
observed 93a77479b2baee836a027a78261b1918...
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.