OpenTechnical

OT-2026-000032703

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000032703) never changes.

Identity and time

Publication numberOT-2026-000032703 · never reused
Internal UUID01a0ae75-1070-7b13-a5be-0f62ae3e1ed6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032703
StatusPUBLIC

Content hashes

Canonical textc90cc7822a8f49546cebc47cbf77f2538a23cd2dc9fc9422b352c563816ae642
Markdownab3ac03868a2bd30dc6ce10d5d6b531539ae231c3c3898c9fa0393c1728c8ca8
PDF
Publication page31150c43ead7fe60e0a2e303a752ccd9604bf4a6376c0411243e893ba9dee52c
Manifest74356b221c8ced32065339d1ff2a60fac6810164bc3108b98faf4ae9f61dfa25

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
SignaturertQBauJb6G0jHugQOLAhLWzb9Wp86HRVxcqGI6z0xHqFNS/XTi4nwizJJmv8kgerbEf3F+uzJZtuo0UPOggIAg==
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

2026-09-17T11:34:18.987192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032703
observed 31150c43ead7fe60e0a2e303a752ccd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.969017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032703/manifest.json
observed 74356b221c8ced32065339d1ff2a60fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.952810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032703/publication.md
observed ab3ac03868a2bd30dc6ce10d5d6b5315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:18.932167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032703/publication.txt
observed c90cc7822a8f49546cebc47cbf77f253...
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.