OpenTechnical

OT-2026-000082603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000082603) never changes.

Identity and time

Publication numberOT-2026-000082603 · never reused
Internal UUID01a0ae97-8cc8-780b-952d-f67d87056f0f · 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-2026-000082603
StatusPUBLIC

Content hashes

Canonical text065bdf7ea3395f6cdb69d63e9414bbce336ffe6f0db89682627cfb5ad668b893
Markdownffb08ea9a613d4ad1c17bd7fbfbba93cfbe667a2badeae1266653963076eb70c
PDF
Publication page589689b28338efc56d350b78ca17d18b4399494e761cf612b1e125683411d2f6
Manifest5144903760120498f6d9e4124ad505b3a3a533e4fac78e142a7ba34ba35e50a9

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
SignatureJSWpsblkbOwAJtywBAZ9PhVqdWTV3qPLJxql6eJaxiZxYfcmM6deAzUpe5UHj6Wkcqpdje3A2Kntv6wwzmrYAg==
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

2026-09-17T09:58:02.818280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082603
observed 589689b28338efc56d350b78ca17d18b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.801869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082603/manifest.json
observed 5144903760120498f6d9e4124ad505b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.786107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082603/publication.md
observed ffb08ea9a613d4ad1c17bd7fbfbba93c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:02.768440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082603/publication.txt
observed 065bdf7ea3395f6cdb69d63e9414bbce...
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.