OpenTechnical

OT-2026-000041664

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000041664) never changes.

Identity and time

Publication numberOT-2026-000041664 · never reused
Internal UUID01a0ae79-e8a0-7d98-8f74-b8aa98d2ff50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041664
StatusPUBLIC

Content hashes

Canonical textf830055d261d98dcaf7a374ff986b2b5cb04dc66c4e4f6d4ad82499d77df4ba6
Markdownbdc98e3ffe2807db59b63a7a5e0fc4ed0574b844817b160d4f08a6613a351edb
PDF
Publication page152ff7a9515f184d73963d9f66902398d968d35b94327ab7f8ec98d67ec17e91
Manifest8257345ea2f5934cdfe9e9c5114d18fd46d5573d44cfbdf27299efe4f42e0958

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
SignatureqfUDuF+ii8LCdD78WZTp5f2hJENS1x+/s2j92gutZDxqy8KPG5cDVGF0i/l/OEQx26w8QqdOdwfzo7F2SCuDDA==
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

2026-09-17T11:16:28.186993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041664
observed 152ff7a9515f184d73963d9f66902398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.169486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041664/manifest.json
observed 8257345ea2f5934cdfe9e9c5114d18fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.152691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041664/publication.md
observed bdc98e3ffe2807db59b63a7a5e0fc4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:28.136300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041664/publication.txt
observed f830055d261d98dcaf7a374ff986b2b5...
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.