OpenTechnical

OT-2026-000103005

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000103005) never changes.

Identity and time

Publication numberOT-2026-000103005 · never reused
Internal UUID01a0aea4-be3d-73de-a81e-bf560ba53af4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103005
StatusPUBLIC

Content hashes

Canonical text38f77d97c895a657bd8d7b2e267b6c3eb87183971a7ba944a7be199d1c133ebd
Markdown0f6d5213501ec4cd4b0490c2381460a0574c3ee030189603d5f11646fa6f7ce1
PDF
Publication pagedbf9218241d9a46afd84c5fc59f3e2a1554792e8a92d7b4c3910121d7c97ddcb
Manifest2a9902883b14cb1bc6c83dfec6758a893b2da44e51636e6cdf07d9229d822c15

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
SignatureWqI9yd+fyJIseGb3DAI4IW2GyL8WhD+3kxTB6PErKIrU0EcVRuj/h0o6aOZjhe0/iM23oarWhVk5uAPAr0SzBw==
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

2026-09-17T09:23:07.288632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103005
observed dbf9218241d9a46afd84c5fc59f3e2a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.271824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103005/manifest.json
observed 2a9902883b14cb1bc6c83dfec6758a89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.254528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103005/publication.md
observed 0f6d5213501ec4cd4b0490c2381460a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.236387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103005/publication.txt
observed 38f77d97c895a657bd8d7b2e267b6c3e...
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.