OpenTechnical

OT-2026-000029980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000029980) never changes.

Identity and time

Publication numberOT-2026-000029980 · never reused
Internal UUID01a0ae73-ac49-7016-9834-d81f28cdf254 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029980
StatusPUBLIC

Content hashes

Canonical text8b91cddb7be18b5ec0a855f028bab8cccfeb5b335fadbbe4c91098030b71bdb5
Markdown168587bd74b1f19bff01e92711113dea346e1e7303e8d59b5bbe08756ed86374
PDF
Publication page2924d9d7a1fed6a8f168c7cb882e1e2e7730559cc5e959f893b591755c0e2116
Manifest0e60ccee93f0d720e9bc07be7a5f5eceb0a6e950a04e1f7c19b94a1250a70e95

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
Signature98Gz/vGOIqJosXQV7PQqDUaT7XAsJVQcaX5eWHQZeK/3CGlaLTPiqaKliJftQg7L6RP07uB1hK6DxTGrB+2aAA==
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

2026-09-17T11:38:42.201666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029980
observed 2924d9d7a1fed6a8f168c7cb882e1e2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.179897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029980/manifest.json
observed 0e60ccee93f0d720e9bc07be7a5f5ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.162030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029980/publication.md
observed 168587bd74b1f19bff01e92711113dea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:42.144444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029980/publication.txt
observed 8b91cddb7be18b5ec0a855f028bab8cc...
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.