OpenTechnical

OT-2026-000027119

Publication integrity record

Three bellows cup vacuum gripper, three zone face, two stage ejector, 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-2026-000027119) never changes.

Identity and time

Publication numberOT-2026-000027119 · never reused
Internal UUID01a0ae72-3454-7a46-aaf3-de0cd3df7205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027119
StatusPUBLIC

Content hashes

Canonical text3b909eb050c17e2b633127f4e4ba42770a6fe0b917201038898ef4bb3c20da0c
Markdown47abac214ccc2d8cf341edf86e48f165dd6685704657bce610796b85ceec7f28
PDF
Publication page3ac9711bdd297ae4d95979f4bc13eee31d4686ab17e90068984a96687a3bb156
Manifest8d81320278e100cdec36bd59ff1f4be8627e57a256992fc4789ab3437fa21ae9

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
Signature+uZW6T9UfU/Ftb5E7G8JBi7N79iURvMNPkbHlYVacOJRZKURWRtKuRoeHzFS4eCB5SEu4O4axYw6J35bb5PbBA==
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

2026-09-17T11:43:53.512999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027119
observed 3ac9711bdd297ae4d95979f4bc13eee3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.495084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027119/manifest.json
observed 8d81320278e100cdec36bd59ff1f4be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.476204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027119/publication.md
observed 47abac214ccc2d8cf341edf86e48f165...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.457656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027119/publication.txt
observed 3b909eb050c17e2b633127f4e4ba4277...
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.