OpenTechnical

OT-2026-000055006

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000055006) never changes.

Identity and time

Publication numberOT-2026-000055006 · never reused
Internal UUID01a0ae86-5e80-7a5a-b477-280edbb8d64f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055006
StatusPUBLIC

Content hashes

Canonical text3c4bd70e087d207a1a8e4112102efcb45d090040cd778f8b686bed9455fa301c
Markdown0c8bcf2b3d6413e33f8281ab52ac471eeeb5ba6cdceffa6bdb93e4920459701f
PDF
Publication pagee81f186af5de07f78e94c5585d91c4d1a55b98a55fc652453c650b12218e92ec
Manifest44c58543700a54f0b5c33199cc9fc3605790f7f0a0586872f4e005f68ed29961

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
Signature37fmpY3vzs3FadvjNY99eLC3Cn7AgnJ1d3XXwEZr+NNoRDYW1pgZBXJwIH94oZlXRhINgMljI3orW1GpYxI+Cg==
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

2026-09-17T10:53:05.896129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055006
observed e81f186af5de07f78e94c5585d91c4d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.878552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055006/manifest.json
observed 44c58543700a54f0b5c33199cc9fc360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.860854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055006/publication.md
observed 0c8bcf2b3d6413e33f8281ab52ac471e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.843442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055006/publication.txt
observed 3c4bd70e087d207a1a8e4112102efcb4...
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.