OpenTechnical

OT-2026-000076767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, 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-2026-000076767) never changes.

Identity and time

Publication numberOT-2026-000076767 · never reused
Internal UUID01a0ae94-b06f-7133-9c0f-233e07016222 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076767
StatusPUBLIC

Content hashes

Canonical textbb85e71f4da929691fb84dde3150e917b1d525812eaefa2a6d2ecb6fd74fe570
Markdownefaf0c151af63cf64f32adb3c93e18a1ed3e5450b7b768e48bcd3461a42f1c39
PDF
Publication page79ed2c7631315337d4817e0d011285067286c75cef422cdfaa4af200177801ec
Manifestf3712443466fe6252cd35b0fd095e2a83b09b180dc478981c1e7d0dd6b88c2ed

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
SignatureZuSfPsCTMCqJhFlC8/22CefZoGQ4wktDATd9lz5yiVJ+FCK3SU3SITUsDqwhymYZz41smRo5rHCaHBJdY0XCAw==
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

2026-09-17T10:09:37.630053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076767
observed 79ed2c7631315337d4817e0d01128506...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.610351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076767/manifest.json
observed f3712443466fe6252cd35b0fd095e2a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.589390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076767/publication.md
observed efaf0c151af63cf64f32adb3c93e18a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:37.568216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076767/publication.txt
observed bb85e71f4da929691fb84dde3150e917...
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.