OpenTechnical

OT-2026-000078084

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after set-down

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-2026-000078084) never changes.

Identity and time

Publication numberOT-2026-000078084 · never reused
Internal UUID01a0ae95-6e8c-7932-93ce-37e14a82cf01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078084
StatusPUBLIC

Content hashes

Canonical text244f3df0000f388bdd662107add1f6f10020bcdcc389fa42e8d9aec0ac890dec
Markdownf67399901dd1aaf7dbe39181a09673a188ebb1afd79fc98a4da5b1478ecc4491
PDF
Publication page01803557a15c0b4fc0e3e7780575b4e4e9de12e9d9e8f0f667b95f376b31c840
Manifestab806a10a12adafd249ea52bfc8692715f50cdfa2727ba0633e7302d344abbcd

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
Signatureog74M/9aPDxi2WML9sFvz5JYbsGBrG6+eWdHmW30EGHUgheOFnqKkUFAX9IUSHHGmTO43U7paHUSzKHQuebYCA==
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

2026-09-17T10:06:43.274115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078084
observed 01803557a15c0b4fc0e3e7780575b4e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.256777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078084/manifest.json
observed ab806a10a12adafd249ea52bfc869271...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.237599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078084/publication.md
observed f67399901dd1aaf7dbe39181a09673a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:43.216876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078084/publication.txt
observed 244f3df0000f388bdd662107add1f6f1...
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.