OpenTechnical

OT-2026-000043775

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, 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-2026-000043775) never changes.

Identity and time

Publication numberOT-2026-000043775 · never reused
Internal UUID01a0ae7b-d676-7a32-ab15-4fcb6fd0ff86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043775
StatusPUBLIC

Content hashes

Canonical textf9bbb769507ad518dea6e54c3549f494b94448223851ef0c486e4f8647d1b17d
Markdown2c14a663add0a56b37cafcf646e6c8e036082e7a06b1fcf1dfec22c260670c70
PDF
Publication page2db3a6f6a265e0b2bbd5f51213f173c439a835fd63650d2ed571718bde1fff57
Manifest52409af5589eb7cef18467a0f57bb7c8141ad43e687f3ecf5fe18c877e2d1ac9

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
SignatureXC8jbw0OEggZK01FnB863s/3P89DqEHQxepX3MpFjiyLstdPQH3wCOFHSdNzFk6Kl1c82+PCoLl7u5YTvXvuAQ==
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

2026-09-17T11:12:03.959809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043775
observed 2db3a6f6a265e0b2bbd5f51213f173c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.939917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043775/manifest.json
observed 52409af5589eb7cef18467a0f57bb7c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.920275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043775/publication.md
observed 2c14a663add0a56b37cafcf646e6c8e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:03.900124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043775/publication.txt
observed f9bbb769507ad518dea6e54c3549f494...
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.