OpenTechnical

OT-2026-000072958

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000072958) never changes.

Identity and time

Publication numberOT-2026-000072958 · never reused
Internal UUID01a0ae92-c815-793c-8f79-46fc28838d03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072958
StatusPUBLIC

Content hashes

Canonical textbc76a87fd6ae5057df7942882a1790bdadbaa2d11bdf5cf4e211f49461dc7839
Markdown13db0d30955dc300a97f59456191136b1face014658c1029477983223c43d13a
PDF
Publication pagec9032a122549c99c5bdce161222ab686bed8f5e2fc0cc8fc36da0e42e4aeb3c4
Manifestcc455949ccdb945f422e4e1a795510ec4ba63f7760312b996ba833e52215a9d1

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
Signaturest1h5paXvT8RhPIcHeozAp56G+uQCIhl6GI6T1TntvXwLXp97Yh0eCDQt/smTfQ0moADaNKuu+32xBT4dvjUDA==
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

2026-09-17T10:21:52.927696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072958
observed c9032a122549c99c5bdce161222ab686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.910074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072958/manifest.json
observed cc455949ccdb945f422e4e1a795510ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.892113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072958/publication.md
observed 13db0d30955dc300a97f59456191136b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:52.874514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072958/publication.txt
observed bc76a87fd6ae5057df7942882a1790bd...
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.