OpenTechnical

OT-2026-000026119

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000026119) never changes.

Identity and time

Publication numberOT-2026-000026119 · never reused
Internal UUID01a0ae71-a840-7f41-8b76-2d9ddca889a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026119
StatusPUBLIC

Content hashes

Canonical text6c31cc8427aa622a69257f4f8f7470fe6bf2ca448469e600643f42ad09710b34
Markdown6d4bd1f18002f3808bd91764ccb5ec1a2c3ce0a2f2b5da28ef59818586814dee
PDF
Publication page932115486e2ee0ef490bef10079e26a6478e17280ae240ec44605d85982e181b
Manifestb7f2769ac9b9ee6e728b6878fdf4843da37a6d3ab8780b3f245a42bd9a1ba820

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
SignatureAyATsDpBFjCxLNhiGllqEvHJWeQk2QwTWl1d7nvlaGXPNbCyWcJXjFVQds3+5hgq55eRQPuvfDrxqAeQKKpyAg==
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

2026-09-17T11:46:37.638958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026119
observed 932115486e2ee0ef490bef10079e26a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:37.620418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026119/manifest.json
observed b7f2769ac9b9ee6e728b6878fdf4843d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:37.602872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026119/publication.md
observed 6d4bd1f18002f3808bd91764ccb5ec1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:37.585362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026119/publication.txt
observed 6c31cc8427aa622a69257f4f8f7470fe...
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.