OpenTechnical

OT-2026-000088234

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000088234) never changes.

Identity and time

Publication numberOT-2026-000088234 · never reused
Internal UUID01a0ae9b-1aa9-7cb5-980c-e520fee00e6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088234
StatusPUBLIC

Content hashes

Canonical textd8f0d46918e616bb5110f7c4425cb2fdee6990ed2b2dac73cc6571821251de93
Markdownbc30f6a2b637e91d035d79eee26b5a131b2c0c646ff788f4b64e23311812d745
PDF
Publication pagee798e6c074d3669e120a0515ce6e056eaa55afb4e06d7fc9025ddc8be9e80f27
Manifest7355ec233d8d1f05b52296ff0231f83291f2db136f9726d563e9921046095967

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
SignaturebOaJZZa6zFkkL7TiMEifW5En/o/T+OBL3LgoIJI8jbc7YsyBOOC329d7rJxqCFmcum7IjodX+cjj4mbNq8cDDA==
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

2026-09-17T09:50:20.166368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234
observed e798e6c074d3669e120a0515ce6e056e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.149372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234/manifest.json
observed 7355ec233d8d1f05b52296ff0231f832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.128371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234/publication.md
observed bc30f6a2b637e91d035d79eee26b5a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:20.106418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234/publication.txt
observed d8f0d46918e616bb5110f7c4425cb2fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.774158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234
observed e798e6c074d3669e120a0515ce6e056e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.755454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234/manifest.json
observed 7355ec233d8d1f05b52296ff0231f832...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.738905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234/publication.md
observed bc30f6a2b637e91d035d79eee26b5a13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:19.720572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088234/publication.txt
observed d8f0d46918e616bb5110f7c4425cb2fd...
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.