OpenTechnical

OT-2026-000045559

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000045559) never changes.

Identity and time

Publication numberOT-2026-000045559 · never reused
Internal UUID01a0ae7d-8f02-766b-aaf5-e1378a3a154c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045559
StatusPUBLIC

Content hashes

Canonical text8284808dbc44e05785eb169c537d01b1a3e89dbcfae8e74d79e56746aab87957
Markdown81fb5027d6c603bfcbad408f0de6739b1ad5bfbdd98b45cf877748d865fff35d
PDF
Publication page8b549424b24ab96da80ba60c2ba1ec8b4f39049027e77985392a43cfd8cd7424
Manifestfeffb9d4cf4021f2974235b1ebd30e707198ffa0294e1f7ba8cdeb697be8474b

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
Signature4mgIKDLXwNYGj9pO7I2b2zOD/Y7Jznzn/XLU6I7N2XJ9vtsxwl5fXrAzhigZLm7pgqKd3TEs27d1TPIBpEBrAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:09:18.976437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045559
observed 8b549424b24ab96da80ba60c2ba1ec8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.955655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045559/manifest.json
observed feffb9d4cf4021f2974235b1ebd30e70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.936496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045559/publication.md
observed 81fb5027d6c603bfcbad408f0de6739b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.918868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045559/publication.txt
observed 8284808dbc44e05785eb169c537d01b1...
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.