OpenTechnical

OT-2026-000059256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000059256) never changes.

Identity and time

Publication numberOT-2026-000059256 · never reused
Internal UUID01a0ae89-8613-7f94-a9db-7cadbd25b3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059256
StatusPUBLIC

Content hashes

Canonical text3d5947da26ea3edfb1a8974a1cfae5f97b01ec1e12494740ccb2e4c7b941efe9
Markdown5070434bf2a082c91bd606d081755c8e671339166a10d6f5677c623dc14467af
PDF
Publication page7dedf1e654444ee01e5b66e999299a0c132899ea9f9c13548d8cd087781d8e49
Manifestcf0f3e9e4053a2f5609f9ff3628a2d38e77ae60a90dfe829c03f41a4e7e48108

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
Signature36TGri2ITLZaAywH8ciXLtbXJF4G/hYkXfJGhWRwryGUgWcOObXCA2CbVw0QpxQ4GRoNFUik325Pg33rLj8FBA==
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

2026-09-17T10:45:48.141325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059256
observed 7dedf1e654444ee01e5b66e999299a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:48.124165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059256/manifest.json
observed cf0f3e9e4053a2f5609f9ff3628a2d38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:48.107747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059256/publication.md
observed 5070434bf2a082c91bd606d081755c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:48.090973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059256/publication.txt
observed 3d5947da26ea3edfb1a8974a1cfae5f9...
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.