OpenTechnical

OT-2026-000073705

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, 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-2026-000073705) never changes.

Identity and time

Publication numberOT-2026-000073705 · never reused
Internal UUID01a0ae93-2b8d-70a9-86db-e480bb4e0bfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073705
StatusPUBLIC

Content hashes

Canonical text90a9845f290e6af70db4975ebe76fa192caa2dcb0018577c5ba4140013590245
Markdownc4b6780d206172090958777bd5ed368b90a6f237ac99aaff9dbebbd87fdd10d8
PDF
Publication page190291d6dfc3e93856a4e98b7875ebbcbd7324ff5931eaccb50a300fe4de373b
Manifesta894410ac219ca37475a9fcfbb76b846e28f5bf74911fc075fa0dcaca82dc49b

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
SignatureKnEYCOAinvG7N09yE3jY2AmxfMgPv8P73FpFYwATo7CyXmCEGKQT0HXJzlVQRP3qOOrNO/PBaBv63CP2B914BQ==
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

2026-09-17T10:19:46.350318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073705
observed 190291d6dfc3e93856a4e98b7875ebbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.332058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073705/manifest.json
observed a894410ac219ca37475a9fcfbb76b846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.310538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073705/publication.md
observed c4b6780d206172090958777bd5ed368b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:46.291180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073705/publication.txt
observed 90a9845f290e6af70db4975ebe76fa19...
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.