OpenTechnical

OT-2026-000082550

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000082550) never changes.

Identity and time

Publication numberOT-2026-000082550 · never reused
Internal UUID01a0ae97-8cc7-7c56-9ce8-8d6df473279e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082550
StatusPUBLIC

Content hashes

Canonical text2fac3cfde9f88274252af9188dc4987c963d18ac1a52c51971fdbe29ce206c52
Markdown45c70df69275d4c790e139ab2195b0dfe76243b6acf9ac814243c617ef160515
PDF
Publication page22eb8ec7e537f0da60ee97a3acc5199710356b5bb8a2029da320042dd90b18dc
Manifest0678a70f3f6c4e298677c2c9971cde74331f5442e9e9ee7de0de19ab0f062418

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
Signature89sww12EcCHvTpjemxtS0uIOu34pF7/Jsw7wngPUB4FNzLHeQsbtNu6xel/AjJoRxidiwsBueQJcK4UjZtnjBw==
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

2026-09-17T09:57:59.244124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082550
observed 22eb8ec7e537f0da60ee97a3acc51997...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.226857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082550/manifest.json
observed 0678a70f3f6c4e298677c2c9971cde74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.210768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082550/publication.md
observed 45c70df69275d4c790e139ab2195b0df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:59.194101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082550/publication.txt
observed 2fac3cfde9f88274252af9188dc4987c...
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.