OpenTechnical

OT-2026-000055576

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000055576) never changes.

Identity and time

Publication numberOT-2026-000055576 · never reused
Internal UUID01a0ae86-a103-7058-aafa-d319be9fbaab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055576
StatusPUBLIC

Content hashes

Canonical textc4cfb0513bc82dac591bb34d5b1fe92cc5bb0a20cb4ad383246680d0d1b9a1e4
Markdownf8eaa1157bf96226b84ffa745877f3e81784c23b257cbdc6004695d9d9e8a6c7
PDF
Publication pageba18e8b43098351d95a60a01882c6aa1c7c0708f7d0d6d0bf4fe502662484a9f
Manifest050ac05c68dc8841579c68af062863f64ee28046a94123be5ae42d0f6d5608db

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
Signature/c52UQnBAvsGiAozu6ikQ08+Ts78g12AauKzrKqKu01FTnZMH2aAx4yL6ih3cpwHMeZLs4fpyCTQ1u4ys9ftDg==
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

2026-09-17T10:52:48.722586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055576
observed ba18e8b43098351d95a60a01882c6aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.707581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055576/manifest.json
observed 050ac05c68dc8841579c68af062863f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.691594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055576/publication.md
observed f8eaa1157bf96226b84ffa745877f3e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:48.675610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055576/publication.txt
observed c4cfb0513bc82dac591bb34d5b1fe92c...
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.