OpenTechnical

OT-2026-000103433

Publication integrity record

Two cup vacuum gripper, two zone face, three 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-2026-000103433) never changes.

Identity and time

Publication numberOT-2026-000103433 · never reused
Internal UUID01a0aea4-e460-7cf2-a540-2a7c01a855a6 · 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-2026-000103433
StatusPUBLIC

Content hashes

Canonical texte5bcd3836a8c016a457edb7c5bef45e4899df036b457c43cb2b0a28e9ad69dac
Markdown534272bb2890723f153b71debd405e95de90dc047e829fa277f3805e425ebf66
PDF
Publication page8084881cffb828592cf9d237607b1f4afc72acc4854ce14d45b98bd9193801db
Manifestdede225f7afdd5baee4544324dbb5f171bbf036fdcb858001c8bbcc7cf6d96eb

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
SignatureP00pjkESHNNkdtprnYuJsEjwWn/hB94BjFpWLg00rvfKv9eTf8hltPQc+XrCVn5CBdBjtREQFb4TKy1fa6mfDA==
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

2026-09-17T09:22:11.093628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103433
observed 8084881cffb828592cf9d237607b1f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.077675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103433/manifest.json
observed dede225f7afdd5baee4544324dbb5f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.060283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103433/publication.md
observed 534272bb2890723f153b71debd405e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:11.043267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103433/publication.txt
observed e5bcd3836a8c016a457edb7c5bef45e4...
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.