OpenTechnical

OT-2026-000103812

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, pulsed blow-off after set-down

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-2026-000103812) never changes.

Identity and time

Publication numberOT-2026-000103812 · never reused
Internal UUID01a0aea4-e463-7dad-b46b-6bfd77e93d93 · 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-2026-000103812
StatusPUBLIC

Content hashes

Canonical text33c643c2b84a66af74d7d8e01f31600bcbad072d848a16127e00feeb78e56566
Markdown46b8f98225c6f24d2b0aad8bb1480302f682f27b20c32710c5ebc93515e29b1d
PDF
Publication page0a305d1b57c52df3b3a3f5431b16bc52fbf336fdb006e0a1da6ddf16d0972426
Manifest954a9158d6bd1a0b556aef5ccd5ebfc9f587460fccafcc1557e58aec428508fb

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
SignatureKW/r9+YFz4nYGkEKQfYmdAX1jG9BSH6H5WCzPjcFqHAdURH1RFGm8IkV5dZNC0LCaibCRRx/lGRYgMqko9vGBw==
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

2026-09-17T09:22:46.106926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103812
observed 0a305d1b57c52df3b3a3f5431b16bc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.091895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103812/manifest.json
observed 954a9158d6bd1a0b556aef5ccd5ebfc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.076516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103812/publication.md
observed 46b8f98225c6f24d2b0aad8bb1480302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:46.060361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103812/publication.txt
observed 33c643c2b84a66af74d7d8e01f31600b...
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.