OpenTechnical

OT-2026-000103859

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000103859) never changes.

Identity and time

Publication numberOT-2026-000103859 · never reused
Internal UUID01a0aea5-15e6-7058-95ef-b8d15d927273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103859
StatusPUBLIC

Content hashes

Canonical text0adfe9e69b2f692537f023186e181a13e2021b1c90177b6ac2a5d9d59803d4ab
Markdownfe3b9a438e3609e1ade488dad5fefc10c7fd6b7e89966cc39f7e84be5f722d83
PDF
Publication page3af0a76eda2957d69ac9cc84499704e88e4d7f02ef35c15b00c18576801229a4
Manifestb447bc9b9fe1b10c13d00d86e07789e6b5d58c72a56a4126650709af50f81e86

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
SignatureRTthpd+hmJePfVpI0rPng9geM6sbprGZz9lwHGFbpXEV9wKRGbYIA5ewaByZNskV5ex1onrCES2QBf3Px+qDCw==
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

2026-09-17T09:21:50.397628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103859
observed 3af0a76eda2957d69ac9cc84499704e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.379925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103859/manifest.json
observed b447bc9b9fe1b10c13d00d86e07789e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.361525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103859/publication.md
observed fe3b9a438e3609e1ade488dad5fefc10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:50.343479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103859/publication.txt
observed 0adfe9e69b2f692537f023186e181a13...
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.