OpenTechnical

OT-2026-000075678

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000075678) never changes.

Identity and time

Publication numberOT-2026-000075678 · never reused
Internal UUID01a0ae94-29fd-714f-8049-1710775ddecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075678
StatusPUBLIC

Content hashes

Canonical text273623fae6c9eb9f8793784cda7d8288030d657b4e0bec0ed94e58e1e2896153
Markdown4bffc186afc5418a8dd4a3cc41d7bf9630d6fc66b2ce270a27bf5032a6d95559
PDF
Publication pagee8aae5a17f19b6a8cfb9ef3e714371dfe274b833fb771a05f83d3502e6b1e441
Manifest18121d0e60017637d67621343b77303014d63afaf69b1da167a8ab497116fc83

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
SignatureXSaKYnzMNoGiUPF2g2gFRLBtngbrbpdi5uHwc+RnkHAohA1cR3sEa0NsUNTCyigQXNUIlhBncnXK4Iuf1DODCg==
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

2026-09-17T10:13:50.257864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075678
observed e8aae5a17f19b6a8cfb9ef3e714371df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:50.233756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075678/manifest.json
observed 18121d0e60017637d67621343b773030...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:49.767541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075678/publication.md
observed 4bffc186afc5418a8dd4a3cc41d7bf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:49.747008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075678/publication.txt
observed 273623fae6c9eb9f8793784cda7d8288...
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.