OpenTechnical

OT-2026-000073077

Publication integrity record

Foam pad vacuum gripper, four zone face, four 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-2026-000073077) never changes.

Identity and time

Publication numberOT-2026-000073077 · never reused
Internal UUID01a0ae92-c816-72c8-9d21-4a472c19106b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073077
StatusPUBLIC

Content hashes

Canonical text04dd4ea87a43ec1bfe263959f932e840d55ce65365514d63edb2421f7191135e
Markdown1fa090b94e3c05c63f5b74b0258a9565d46267efdf228ee53e27de0030da36c3
PDF
Publication pagec825628c5a44ec12903cc0e3101325257a3463b769adb55cb7faf1338ca9538c
Manifest4f993b33d1f8534dad4ff067537f2011835c3ae46062063ec8e67116f4793144

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
SignatureVswmtbiRmGDsjiZ1NkkbbLxSsY8Nptp90K4/H176TfQ9iPP0XxtE4IT/kadeed2Ana18xWb+hDofciwkEI1ODA==
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

2026-09-17T10:22:01.658805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073077
observed c825628c5a44ec12903cc0e310132525...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.642010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073077/manifest.json
observed 4f993b33d1f8534dad4ff067537f2011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.623029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073077/publication.md
observed 1fa090b94e3c05c63f5b74b0258a9565...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:01.604623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073077/publication.txt
observed 04dd4ea87a43ec1bfe263959f932e840...
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.