OpenTechnical

OT-2026-000057939

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line pressure sensor, pulsed 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-2026-000057939) never changes.

Identity and time

Publication numberOT-2026-000057939 · never reused
Internal UUID01a0ae88-6ed9-73f9-9753-c25a94720671 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057939
StatusPUBLIC

Content hashes

Canonical textecec7acea3fbe7d5e58228146ae0b45eee8579287c8c6f1569f88f97ca021634
Markdown33e1c3a6be46e0d83666f885b331058d871eb7103aedc3c4aac8415d449b8366
PDF
Publication paged69b2bf8d745766be35d084b108c292b25d6cd9b67edb7ed47e9cb62d28a66f2
Manifestcfe3fa0c8582c52631bc9edbfec572cbac81ffa96315b3134856ef8ff6238360

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
SignatureG4FrSD4hFA+zCFmPUc9njdOrruZoYV5ya+e7X4WMEYqAa+fvsYiBzrpBohtAK64gOJNiF2pCR453PEyLPGcFAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:47:33.454015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057939
observed d69b2bf8d745766be35d084b108c292b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.434472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057939/manifest.json
observed cfe3fa0c8582c52631bc9edbfec572cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.416029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057939/publication.md
observed 33e1c3a6be46e0d83666f885b331058d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:33.394398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057939/publication.txt
observed ecec7acea3fbe7d5e58228146ae0b45e...
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.