OpenTechnical

OT-2026-000058912

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000058912) never changes.

Identity and time

Publication numberOT-2026-000058912 · never reused
Internal UUID01a0ae89-479f-72d5-9e50-adafc8c494d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:47.568543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058912
StatusPUBLIC

Content hashes

Canonical text904bc3b8299eb6e99e454d3226fb08472e9974588b3c7c8eef1907c4eea89817
Markdownaca1b83c49f519d43fba2bae24086e9d8bbef95314e2a253d800b80c61772625
PDF
Publication page5734544f03f3415d49a218541b444224b6e4df62ea2aa3c6cf5f960e02b9f651
Manifest25f9d8715b525a917a23d48641c727ec08a8536251f4220f99ee4297e3be39ad

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
SignatureT4dGeNE+sg3TQ9cuQlKLMqgXwcZ9sfMaIpWeo6FbW1hlHZZJxnbtutiy5pCffVWrTe3quAlgRaIN8C9VdFhHBA==
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

2026-09-17T10:46:27.912453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058912
observed 5734544f03f3415d49a218541b444224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:27.894595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058912/manifest.json
observed 25f9d8715b525a917a23d48641c727ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:27.876467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058912/publication.md
observed aca1b83c49f519d43fba2bae24086e9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:27.857765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058912/publication.txt
observed 904bc3b8299eb6e99e454d3226fb0847...
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.