OpenTechnical

OT-2026-000073365

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000073365) never changes.

Identity and time

Publication numberOT-2026-000073365 · never reused
Internal UUID01a0ae92-efb8-7f5b-a765-bdc256f375e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073365
StatusPUBLIC

Content hashes

Canonical text9ed99fa1e8bcb1561e41943213ce2ca584c50706f8c0f5b8c18a5b1c23e35b77
Markdown6f6bd95ad6d27f46df7159bfb7751fc7a88fce85833264b253091566f53c65d2
PDF
Publication page94147ca058d3181f69d380c57ea254663c5fff7be6d4f097571a23796803c68d
Manifestdaf60c53b249602604feb356f007c96dc7d1e12a07ed3153cba39ad0e9599159

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
SignatureRelMY/B6cTvCP4wcLpX5S5FU7c6yyS+LcCDLeTjvypOk0A/s90gDmaBmEq92G9OUA4iKmxDx+FaynWm7ogdSBw==
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

2026-09-17T10:21:23.706235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073365
observed 94147ca058d3181f69d380c57ea25466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.687778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073365/manifest.json
observed daf60c53b249602604feb356f007c96d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.669476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073365/publication.md
observed 6f6bd95ad6d27f46df7159bfb7751fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:23.648807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073365/publication.txt
observed 9ed99fa1e8bcb1561e41943213ce2ca5...
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.