OpenTechnical

OT-2026-000074573

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, manifold 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-2026-000074573) never changes.

Identity and time

Publication numberOT-2026-000074573 · never reused
Internal UUID01a0ae93-717b-76f4-a342-b52dd9f5ee2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074573
StatusPUBLIC

Content hashes

Canonical text326aef4266448fc90e828a6e815d5335fd30ae774ce137962502d5cd9c938e12
Markdown0561d8ea51a97bc3711428e42b73d81a5d729c216775de0972bffb220e3d6eb1
PDF
Publication pageae0b62d07f4e1913bf4eea2567f85313b7fb31c1741b14518484609244281603
Manifest3532c18291faa6597f2c2b90dbc0c1df964d5b7a7d63f552048a4e49be29fdbd

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
SignatureCJxkcSBn8+EIoKOc9q4IXsLtNe0CFznLM4mIvz1XSsDFVR9iMeNOecDTcVfRoiQdHEiMz8B7A8UlOHRQMSvKDg==
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

2026-09-17T10:19:35.458048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074573
observed ae0b62d07f4e1913bf4eea2567f85313...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.439319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074573/manifest.json
observed 3532c18291faa6597f2c2b90dbc0c1df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.420329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074573/publication.md
observed 0561d8ea51a97bc3711428e42b73d81a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:35.401628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074573/publication.txt
observed 326aef4266448fc90e828a6e815d5335...
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.