OpenTechnical

OT-2026-000072320

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented before 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-2026-000072320) never changes.

Identity and time

Publication numberOT-2026-000072320 · never reused
Internal UUID01a0ae92-47c3-7548-b3df-ab0b86a66829 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072320
StatusPUBLIC

Content hashes

Canonical text2f0055f875d8e6a4cd5392178f6d7c281a1d6e7214e6a09e0f2e1559566fc281
Markdown5564334529de646037accdfc822b642477df4e73b8fcfc2069bf9c390efb8afa
PDF
Publication page7c229f97e0d1530b4a40f9d4f53224eb5735534185e1c7cf014671909558c889
Manifest50a6567856f00d6fc9e2db8244e977c8a0dba6c838095234b9d7af5ea8986140

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
SignatureqBn17Yd31nyZQiwSWuufKSzdL2+Ct48TpxYBnZD0g25yOHiBgq6cgaSyI+PGg0epTt81VweQWM34EduRb2AlBQ==
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

2026-09-17T10:23:32.767717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072320
observed 7c229f97e0d1530b4a40f9d4f53224eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.749957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072320/manifest.json
observed 50a6567856f00d6fc9e2db8244e977c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.732508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072320/publication.md
observed 5564334529de646037accdfc822b6424...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:32.714143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072320/publication.txt
observed 2f0055f875d8e6a4cd5392178f6d7c28...
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.