OpenTechnical

OT-2026-000016546

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000016546) never changes.

Identity and time

Publication numberOT-2026-000016546 · never reused
Internal UUID01a0ae6e-2d13-7955-80a6-823f6dafa98a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016546
StatusPUBLIC

Content hashes

Canonical texte6078bd1006d4125f7227414de730b22c53b9f3d9727f72ee1df9749c1f6dd44
Markdownfd36421177b242bacbb1d85b37746b51e12280c7919b77f95fc430a6147eaede
PDF
Publication pagea8201e3d3d55e6e7f8df883bb5199afb66422beb3ddcd24dcd12f142bb741720
Manifestcaa0e5d394e3905d58f7939aadf8be74f8ba37cf7f07ab541f1561e691e48440

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
Signature1YY+Tpkr3x+fawhf/yO+4HWLOWtjjV8RjSFQUC/SkqBAqKI4z8q2lZoWxx2UGquyKrsyDk6DIYK8g6PX0E/6AA==
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

2026-09-17T12:04:46.205755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016546
observed a8201e3d3d55e6e7f8df883bb5199afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.186875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016546/manifest.json
observed caa0e5d394e3905d58f7939aadf8be74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.168967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016546/publication.md
observed fd36421177b242bacbb1d85b37746b51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:46.150669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016546/publication.txt
observed e6078bd1006d4125f7227414de730b22...
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.