OpenTechnical

OT-2026-000053765

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000053765) never changes.

Identity and time

Publication numberOT-2026-000053765 · never reused
Internal UUID01a0ae85-735d-7932-9936-7556c82a3b59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053765
StatusPUBLIC

Content hashes

Canonical texte20ba605d2f38997aa96cde5b1752bd9317f6684e7da59a555b3667fd36608f6
Markdown9b38d3cbe0f3fc68aba45cbc6ed20a7369e2e0943605168832c07880e419755c
PDF
Publication pagea2a88edd7072b8a935a24d940fe14781b89617cb6db4a54c171ad833ca275bad
Manifest453eee750c92023201133b9a017fbf4945b07f2a198f8b75e7fcee4b95b9acef

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
Signature3vGLKntwKSNHaHyMkKUSuE7lGA7jiTuGrHmKrjZ918sboPkHMAvDIwv9lMJ5Hciy73KM9g2yGsR60qsS9lf0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:24.575536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053765
observed a2a88edd7072b8a935a24d940fe14781...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:24.553307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053765/manifest.json
observed 453eee750c92023201133b9a017fbf49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:24.532958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053765/publication.md
observed 9b38d3cbe0f3fc68aba45cbc6ed20a73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:24.514591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053765/publication.txt
observed e20ba605d2f38997aa96cde5b1752bd9...
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.