OpenTechnical

OT-2026-000082387

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000082387) never changes.

Identity and time

Publication numberOT-2026-000082387 · never reused
Internal UUID01a0ae97-4d96-7696-8adc-56e3d384cdd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082387
StatusPUBLIC

Content hashes

Canonical text075383568f4f8d046d72ea3c784f372d5632c8a36b60677c34f5033d5794e712
Markdown88b9d4c169745eede102f120159082a8971fa4d518a1827f3c4c29171539a9d6
PDF
Publication page148e2ba3afc9426fe371610c9d8a4a6415f9c553042a9cf1900ef36d147ef52f
Manifest91ab2727e61e9775059bb7662b68f90ac16195d34741daef0c04af3835a8ab72

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
SignaturerbjHeLCQLrbRhRfxkqHIeLmnZhsS9S2LGhBOkwxHM8XUo8mP7BMsRbFT9LHdD7zXCoyfDjatxUnsWt+aiZ3OAw==
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

2026-09-17T09:59:16.102530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082387
observed 148e2ba3afc9426fe371610c9d8a4a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.085437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082387/manifest.json
observed 91ab2727e61e9775059bb7662b68f90a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.068929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082387/publication.md
observed 88b9d4c169745eede102f120159082a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:16.050796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082387/publication.txt
observed 075383568f4f8d046d72ea3c784f372d...
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.