OpenTechnical

OT-2026-000060329

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000060329) never changes.

Identity and time

Publication numberOT-2026-000060329 · never reused
Internal UUID01a0ae8a-5a75-7700-9d29-eaec0449da63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:57.976275Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060329
StatusPUBLIC

Content hashes

Canonical text2209028d99c609a2a6abe5bf916d0bfcfcdcf64a8c9bb2b00b3675e455d47d63
Markdown5b3fec935c5ce1603ef6951bec951b8fc63c8db28ee0cf230a0a8ab8e8189dfe
PDF
Publication page48fdfe7af6b3ced9fceca6bdaed8d489ebd9524ab477e20b3b94ead04bdc980c
Manifest71c60ab517c40b456ab5fd8086f7f6ce8b1b723e9d1b92f24ee83b539006a11f

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
SignatureeRXgcXklPKXhgXsE6g2bUNDr0w3BzosdwR8CVMqis7CQG5NwiI3TEqAjIcMgQt6skh+qZ+/sqNdb0L/AcKjoBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:02.915286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060329
observed 48fdfe7af6b3ced9fceca6bdaed8d489...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.883035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060329/manifest.json
observed 71c60ab517c40b456ab5fd8086f7f6ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.844694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060329/publication.md
observed 5b3fec935c5ce1603ef6951bec951b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:02.804660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060329/publication.txt
observed 2209028d99c609a2a6abe5bf916d0bfc...
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.