OpenTechnical

OT-2026-000038802

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000038802) never changes.

Identity and time

Publication numberOT-2026-000038802 · never reused
Internal UUID01a0ae78-769f-723d-b9af-3c98863e5fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038802
StatusPUBLIC

Content hashes

Canonical textea19a12ce6fdf70126be8babe8e00cb2a0f75f16e3a9bd234b6e39bf97417e3c
Markdown2e71d1b4380815dd89f0cc7e2d2e43aca2c6d739f42e28e83b036ff754bce067
PDF
Publication pageebceaaff2c1f1890019d155f21121387bd2805737357814c68f0efe3a4811071
Manifestd445508ee440e28fb24f66ce0e0811fe7a10741ea1bb0fe313acf39b21867e86

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
SignatureJseCt6t0cptWCgEZnWJH7OTnEIUg07YAoCUrr/oITUA9OcDSynYnyFnllfLfyPgEa8Qm+qLx5sl03TDYX+kiDA==
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

2026-09-17T11:21:21.398156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038802
observed ebceaaff2c1f1890019d155f21121387...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.381241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038802/manifest.json
observed d445508ee440e28fb24f66ce0e0811fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.355259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038802/publication.md
observed 2e71d1b4380815dd89f0cc7e2d2e43ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:21.327590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038802/publication.txt
observed ea19a12ce6fdf70126be8babe8e00cb2...
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.