OpenTechnical

OT-2026-000100383

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000100383) never changes.

Identity and time

Publication numberOT-2026-000100383 · never reused
Internal UUID01a0aea3-66ee-7cb6-9252-53abc8279e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100383
StatusPUBLIC

Content hashes

Canonical texte21cf2a856fe7d2d0fefb9dd973a9a7cc15681516098293d3221c9306103d75e
Markdown6ff714eceae4656f80af752e9d976848f034ebdef3564057f17422f412486d99
PDF
Publication pageb715cb238272c1b5c95e4d1f340b2f68bcb7e35008171c9f2117a7a1e7a253ef
Manifest32d548699fa72fe318d0fa9ec9ea325ef143f3cafc934500eba499d2a984beff

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
SignatureM+cmF3heJp4qI0tgE7Bvs4pbKtr569tPXTytFZVg96gaHtBpO+ST1mIHyAQCnR6Blf5RdnI8krmBjUFwZsJkBQ==
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

2026-09-17T09:27:06.864708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100383
observed b715cb238272c1b5c95e4d1f340b2f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.846307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100383/manifest.json
observed 32d548699fa72fe318d0fa9ec9ea325e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.828283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100383/publication.md
observed 6ff714eceae4656f80af752e9d976848...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:06.810546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100383/publication.txt
observed e21cf2a856fe7d2d0fefb9dd973a9a7c...
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.