OpenTechnical

OT-2026-000070999

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000070999) never changes.

Identity and time

Publication numberOT-2026-000070999 · never reused
Internal UUID01a0ae91-8c2e-7182-a0d8-b5d0df845499 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070999
StatusPUBLIC

Content hashes

Canonical text200ae2b7499135e14799f69b6978022ccdb5e2dad513eab80b2329e941e41c4c
Markdownb249f9621a2a4184c8026952f6bcdf12efaf04b0ef2bc82c48b41fe9429e7907
PDF
Publication page4eb917b71c8148bac1563e72221bbb6efc888e55b7eeba53c3bd7b95aa9042a2
Manifest505035f7e57e9d13ce8e3c750cd7037d6c34faf9f6b3d1d52fd84de4e40c13a0

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
Signaturea7KS5DY8B35OvF9RzdfUZ57BGhhWlyluf56FFL7QA7ph18ZfHEFhItAlF5yy1/QJN8J9DiaAkLYgSOy014LlDg==
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

2026-09-17T10:25:50.843013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070999
observed 4eb917b71c8148bac1563e72221bbb6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.826254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070999/manifest.json
observed 505035f7e57e9d13ce8e3c750cd7037d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.809989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070999/publication.md
observed b249f9621a2a4184c8026952f6bcdf12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:50.792883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070999/publication.txt
observed 200ae2b7499135e14799f69b6978022c...
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.