OpenTechnical

OT-2026-000080203

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained blow-off before set-down

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-2026-000080203) never changes.

Identity and time

Publication numberOT-2026-000080203 · never reused
Internal UUID01a0ae96-7e76-734d-8737-81dd7eaa5bfb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080203
StatusPUBLIC

Content hashes

Canonical text8bf95ae6a24a4cacd51921b5158485904cfef643bf27002b1a348cf26e9b79c0
Markdown890aa07f64c124f43348bb3f1b73df73caf2beeb05897985c436d04053c7efb0
PDF
Publication pagec9c9e6cb7e82e7b9173f6b37a7c7ee4dfb43a7138610f48b38043ec0e96c574e
Manifest3112f265cd1c99bc604816c5c7d932aee983e89b0a298a5b2335aba12deb241e

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
SignatureKL8FDgZJQEDM0UVYw9H6m5Uj7KLxjqNc98Mxh4UXWVrZRc95mUCDKj2341A0pdPDjkmlcbwGUXgoUeLSk22ABw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:02:38.978522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080203
observed c9c9e6cb7e82e7b9173f6b37a7c7ee4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.957779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080203/manifest.json
observed 3112f265cd1c99bc604816c5c7d932ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.938701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080203/publication.md
observed 890aa07f64c124f43348bb3f1b73df73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:38.920341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080203/publication.txt
observed 8bf95ae6a24a4cacd51921b515848590...
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.