OpenTechnical

OT-2026-000103357

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000103357) never changes.

Identity and time

Publication numberOT-2026-000103357 · never reused
Internal UUID01a0aea4-e45f-7e97-8168-2d67e60b9693 · 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-2026-000103357
StatusPUBLIC

Content hashes

Canonical text140b7c9b4e10f6331fcf586686207ba920b4dcfa63288226753b1a4f2e4309e1
Markdown554a05b6eeda1d2185449b11b79ee5d1f679befd30813f62d04e3ff3ac968e93
PDF
Publication pageccf1fecb20b421100ed21c763e01f501ddf913669e833099618d8a8ecacefaf9
Manifeste781f68f447c2a56219d360f1ff33ef7389841339a1f61ec4c65f0a1fa2c086b

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
SignatureSFgP6HeNZMpMK7f1RpAjaD/2Khu348FiyoPY2bqcAIdaKYw41/vOImwn2pgFlTEUsuTrdqGzock2qSudrAIvCQ==
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

2026-09-17T09:22:05.403973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103357
observed ccf1fecb20b421100ed21c763e01f501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.386833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103357/manifest.json
observed e781f68f447c2a56219d360f1ff33ef7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.370633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103357/publication.md
observed 554a05b6eeda1d2185449b11b79ee5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:05.355204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103357/publication.txt
observed 140b7c9b4e10f6331fcf586686207ba9...
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.