OpenTechnical

OT-2026-000103810

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000103810) never changes.

Identity and time

Publication numberOT-2026-000103810 · never reused
Internal UUID01a0aea4-e463-707d-8c7d-0639ff72090d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103810
StatusPUBLIC

Content hashes

Canonical text75fa1966759bcba7c23e3db048897a8a6c1d9a056d9b8c210f39a989e74b7895
Markdown27c9f81c5b1fca8ca15061a5603c88e04e5c498911037c7d9a9f6d0393d63bd3
PDF
Publication pagedce4885669c45adfe0b68e17888baec7bd2876abd25b1294d50487af022389a2
Manifest74f4baaae054fcc9c755b2f365684f1afb702979bcfabf7e044598367d9abf0f

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
SignatureWNUNI4T+ckbEhmoZ0bWQbEZoLWlBC4NveG/IE7iP3lHy7PiZaDGXKeIWL+DksffDV3DvAAEpvnSsKY6kBGFVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:45.975263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103810
observed dce4885669c45adfe0b68e17888baec7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.958862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103810/manifest.json
observed 74f4baaae054fcc9c755b2f365684f1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.943428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103810/publication.md
observed 27c9f81c5b1fca8ca15061a5603c88e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:45.926801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103810/publication.txt
observed 75fa1966759bcba7c23e3db048897a8a...
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.