OpenTechnical

OT-2026-000055963

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000055963) never changes.

Identity and time

Publication numberOT-2026-000055963 · never reused
Internal UUID01a0ae87-0a4a-78f1-ab7f-3db096618c19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055963
StatusPUBLIC

Content hashes

Canonical text360fc75a5bc930d31e13c84e73a603f3356afbefc686910cccaf5d61716c943c
Markdown638b990b50496b0a6036a0f4d058ddf3b820b11aa067e0e0991478be03ca1313
PDF
Publication pageb87a647948e6d539ac6a49e3ac3df6c212c2eba429f63e34ea2d45927a350da1
Manifest735bf921c800aa336b8befbf90aa37d015ff47ecdb4438a9f04a493ff59b3ee8

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
SignatureE52HCK+5UqX6pTccvwBRLb2DtwM5w/kFm0GBbd4Z7g82HYJXA88NGLiLkgBqbyt/3+iM1WFOXeNwlIqX9fjpCA==
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

2026-09-17T10:51:29.086062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055963
observed b87a647948e6d539ac6a49e3ac3df6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.068670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055963/manifest.json
observed 735bf921c800aa336b8befbf90aa37d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.052217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055963/publication.md
observed 638b990b50496b0a6036a0f4d058ddf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:29.035139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055963/publication.txt
observed 360fc75a5bc930d31e13c84e73a603f3...
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.