OpenTechnical

OT-2026-000064528

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000064528) never changes.

Identity and time

Publication numberOT-2026-000064528 · never reused
Internal UUID01a0ae8d-a462-7230-9c56-55d25d18b007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064528
StatusPUBLIC

Content hashes

Canonical text80f5d4863f9ef304f2778e43afccf3627008146a65e504ede6e974dcdef25257
Markdown021136984abbc54a0994a083b6ba643ce4252290bc4796746d9ebe57d4c222c0
PDF
Publication page5c1321b487a189b729299b405a465365fdcfb40b20391a7f768c4e4957e6b248
Manifest73fe36ec937cf79b824f1b753b8e9409d29eb53103311a78e0335920f32157ef

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
SignaturedbbLrpY7TBuKYn6XjKUGMMU+7IyAqZ8MTtqqRNja2xM0EAKFp/lLb/z8hVxZhX/IZ0zfDaozngJA/lf/oIB7Dw==
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

2026-09-17T10:36:44.540872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064528
observed 5c1321b487a189b729299b405a465365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.523417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064528/manifest.json
observed 73fe36ec937cf79b824f1b753b8e9409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.506243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064528/publication.md
observed 021136984abbc54a0994a083b6ba643c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:44.487671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064528/publication.txt
observed 80f5d4863f9ef304f2778e43afccf362...
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.