OpenTechnical

OT-2026-000102355

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000102355) never changes.

Identity and time

Publication numberOT-2026-000102355 · never reused
Internal UUID01a0aea4-8589-7236-b25b-eb5ec72a13e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102355
StatusPUBLIC

Content hashes

Canonical texte5b7dbc09229c101b893e34a5d48b06468fbe83c68337f8fa6da18c3fe1d752e
Markdown24248f5a56d43fbb84d5f40ee7e4c26895f0cfa9bf759c64d951b8b53ab619a7
PDF
Publication pagecc36997ae8e893b178032098c0a0095bc22b4f52b2d7c716d9d03a4e54cf1c96
Manifest96ca5adea4eda0560d8a7364fbb7c99183b2627421662891f1844ecc0f4d6b75

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
SignatureYsLeTpV3l+tfG5kc7iB3dXx33QTFvjfzVA2b7OWTHpbxu4eVZX6JJVXj9n0PMyWfrxt7eQuK4m4N/e6FZqwJAg==
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

2026-09-17T09:23:41.470229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102355
observed cc36997ae8e893b178032098c0a0095b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.452646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102355/manifest.json
observed 96ca5adea4eda0560d8a7364fbb7c991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.433835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102355/publication.md
observed 24248f5a56d43fbb84d5f40ee7e4c268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:41.416054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102355/publication.txt
observed e5b7dbc09229c101b893e34a5d48b064...
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.