OpenTechnical

OT-2026-000048090

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000048090) never changes.

Identity and time

Publication numberOT-2026-000048090 · never reused
Internal UUID01a0ae7f-c423-72f7-b0e1-56868d213556 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048090
StatusPUBLIC

Content hashes

Canonical text6a0185626a152f92f0a042e662800a39984065752cef0a53ea524f30a8ed1167
Markdownf9dbd3d5ea3c8304e16ee6fb1d5b2ef39a8a17b7e70dc5cba38f42f4e4e2d014
PDF
Publication paged24ec734767b0ae8c863b4c0034eb3298ea84a02935c675abe2da0c33fe6b6f0
Manifest33db9c601bc65298cfb1d6a36b776e7daeafb45643a9113359e76721c73e1c72

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
Signature3/95TCKmlEFyly0+EVpDZu0iXlJjZJJtVgVEXHIisl6lPJHxRp690NC3lN/PqwldX5x1gobf2GRhTibHy84rCQ==
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

2026-09-17T11:06:06.687974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048090
observed d24ec734767b0ae8c863b4c0034eb329...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.672011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048090/manifest.json
observed 33db9c601bc65298cfb1d6a36b776e7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.653094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048090/publication.md
observed f9dbd3d5ea3c8304e16ee6fb1d5b2ef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:06.633207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048090/publication.txt
observed 6a0185626a152f92f0a042e662800a39...
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.