OpenTechnical

OT-2026-000094931

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000094931) never changes.

Identity and time

Publication numberOT-2026-000094931 · never reused
Internal UUID01a0ae9f-2dee-70d1-9f00-e5a273ba96d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000094931
StatusPUBLIC

Content hashes

Canonical text335c6a7cf41751a4a676e87992f28353ce9f23d9eb208f3707ccc295e0b3739a
Markdown8f84d813329530e77a8252bae434a0983adc74f9d17ee7e0df96d7b9b5ecab42
PDF
Publication page9660fa5112e654b87a22696344bfdefc6239f61a3720e7830a42211dda1b8b84
Manifest0c01424bb5885ab3e1258aa93f9913d9be36714fb8e55c86e2db8af0b9f1e286

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
SignatureCWoHWBC76BUEiebNlGp79wLBMO1yyIWKCDsGY+iAqm2G6SWBo0iOQNgrf9weneNytI1FIwnmWP8Cdhd9J8gpAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:27.740904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094931
observed 9660fa5112e654b87a22696344bfdefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:27.720973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094931/manifest.json
observed 0c01424bb5885ab3e1258aa93f9913d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:27.703673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094931/publication.md
observed 8f84d813329530e77a8252bae434a098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:27.684348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000094931/publication.txt
observed 335c6a7cf41751a4a676e87992f28353...
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.