OpenTechnical

OT-2026-000054905

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000054905) never changes.

Identity and time

Publication numberOT-2026-000054905 · never reused
Internal UUID01a0ae86-1286-7c6b-9ec5-23c362e29009 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054905
StatusPUBLIC

Content hashes

Canonical texta1e44e62afcd53e47fdc6828294277d3aa396405e2bfacd30ace4126cc02eafd
Markdown8a040e5191a5e746882fe1a956d4cc81621e452421e32d9b652468a5a24daa82
PDF
Publication page38ecb27894b4ec2abdbd2dfbb859ad2fe21fe8e59b1d0189b38b21541ad0d01c
Manifest6922b5a258c015d72c54f3ae6b62493eb2ec9f9367eb40d051b0e49ef0e90955

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
SignatureaWPOE3D/1liahA0ipi3jUt8l1eB7CRLH/B3EW/Nl9JJsjAWS+LZjjFE1h3EESCqhkFYjROFWhXeFNl4IiDk9DQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:08.171207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054905
observed 38ecb27894b4ec2abdbd2dfbb859ad2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.152205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054905/manifest.json
observed 6922b5a258c015d72c54f3ae6b62493e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.133768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054905/publication.md
observed 8a040e5191a5e746882fe1a956d4cc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:08.115604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054905/publication.txt
observed a1e44e62afcd53e47fdc6828294277d3...
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.