OpenTechnical

OT-2026-000070943

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line 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-2026-000070943) never changes.

Identity and time

Publication numberOT-2026-000070943 · never reused
Internal UUID01a0ae91-8c2e-7235-953f-640060f3d35c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070943
StatusPUBLIC

Content hashes

Canonical text1f8912e89c2a5979514222ba91b47ae944ea02577c30b8d9524f9df50c0d772c
Markdown6a3b04682c16af6aabbba80a2b1e431e25946790335da00e221ba6a45b5285bd
PDF
Publication page7aee05f1ac047abdf77459981331cb45bc35168235f1c4beb2380a0a79ffe8e3
Manifest39cd338811d1d4a0bec411458f4bb84b08bcb6e7023f13d6a405cab1ac90a5a3

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
Signaturexg5g1LXuQjEtrPGup3uNcWYkMNiG66cL/GoDYI6ZLUuNngxyIcTi5ZE4N/6/zwTd2G6dOiRT02NVl35oJ3biBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:46.652159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070943
observed 7aee05f1ac047abdf77459981331cb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.635496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070943/manifest.json
observed 39cd338811d1d4a0bec411458f4bb84b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.618321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070943/publication.md
observed 6a3b04682c16af6aabbba80a2b1e431e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:46.601421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070943/publication.txt
observed 1f8912e89c2a5979514222ba91b47ae9...
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.