OpenTechnical

OT-2026-000056988

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off after set-down, on a tool changer

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-2026-000056988) never changes.

Identity and time

Publication numberOT-2026-000056988 · never reused
Internal UUID01a0ae87-d5b5-73f4-9812-ceb32d5ec9d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056988
StatusPUBLIC

Content hashes

Canonical text710dde18955bd688e1c6dc6716b17de827cba11f6b00bd333c28e1cd54dbfde3
Markdownfa90443bcd5776f3238ece8c618012b526baaaf5f85b108bf208117e9dcebfb0
PDF
Publication pagef33303e009ac113c786a22bc704db2e316c83d2db817f41a827bbdc846973591
Manifest0fbc53a7e4be50d4358988d8dcd0ec392f7b74d4343426ecfb7c8e0a945dfa50

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
SignatureTdUOXmh71MFBJUad4BFyHjRnUH/ZqPKxEGGHtQ/P8t9LHfqu81gDhDitGu3PdiAfQ6k5xBY4sU3kli4jbc5QAQ==
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

2026-09-17T10:48:27.490958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056988
observed f33303e009ac113c786a22bc704db2e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.468595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056988/manifest.json
observed 0fbc53a7e4be50d4358988d8dcd0ec39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.447794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056988/publication.md
observed fa90443bcd5776f3238ece8c618012b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:27.430862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056988/publication.txt
observed 710dde18955bd688e1c6dc6716b17de8...
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.