OpenTechnical

OT-2026-000046219

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000046219) never changes.

Identity and time

Publication numberOT-2026-000046219 · never reused
Internal UUID01a0ae7e-032c-7239-b790-c959b0250a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046219
StatusPUBLIC

Content hashes

Canonical textc958ad90f6c0f4d6ace4e075200269604008ed4ec11e428d7a4f5c2e7a0efc05
Markdown5bc1da56beee93b38b554bd45b3a4ffc162b5e47a5e5e9633ef50e6acae0be11
PDF
Publication pagea1f4350dd0be6fe09bb83c08c9b5b200ae4d22480f51c6f67f85b324aae0b520
Manifest2ff102edcb019bcd6bca730991e6b8c9139eda1b2dfdd636edcbb23338471e99

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
SignatureGNYEa+GmIZ1Ac4s8a7JN6z/2Iv8jf2JSM3nJsggtIxXhKcrXO1wPIqlMO/INHBtFCAkgxKrc6G79Dk7msVxFDg==
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

2026-09-17T11:09:14.427940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046219
observed a1f4350dd0be6fe09bb83c08c9b5b200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.409401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046219/manifest.json
observed 2ff102edcb019bcd6bca730991e6b8c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.391726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046219/publication.md
observed 5bc1da56beee93b38b554bd45b3a4ffc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:14.374428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046219/publication.txt
observed c958ad90f6c0f4d6ace4e07520026960...
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.