OpenTechnical

OT-2026-000011237

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, sustained 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-2026-000011237) never changes.

Identity and time

Publication numberOT-2026-000011237 · never reused
Internal UUID01a0ae6c-5410-7b37-90ff-04de6eb71734 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011237
StatusPUBLIC

Content hashes

Canonical text85b82881a7118ff3c1013d383783134cced3b9f96526577b5aa71cb0a2c662a8
Markdown862261f651b703433cdd8c3d4b096735a0f6b1f5b27f59a313af924a1b82354b
PDF
Publication page4120ba92bb2278c4570e1d4eaa35aac5405d2e972ea4942d72687bbbe6cc7bed
Manifeste55be553f7e2b6695bfce80b5924ad3abeed8497518db22ba4d1f18fb976207a

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
SignatureDr7eIvuZQyrBZTHJiaQoJ2aGdY55dpUrI6gBY/20vV+21SMXL2p4I3a/Uhv21VS7Jo9qQfxwVGJ0sTBZL4QkBQ==
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

2026-09-17T12:14:11.972034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011237
observed 4120ba92bb2278c4570e1d4eaa35aac5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.952903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011237/manifest.json
observed e55be553f7e2b6695bfce80b5924ad3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.934301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011237/publication.md
observed 862261f651b703433cdd8c3d4b096735...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:11.913837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011237/publication.txt
observed 85b82881a7118ff3c1013d383783134c...
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.