OpenTechnical

OT-2026-000021192

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000021192) never changes.

Identity and time

Publication numberOT-2026-000021192 · never reused
Internal UUID01a0ae6f-865b-7c74-bd4a-95830018dfc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021192
StatusPUBLIC

Content hashes

Canonical text1ce8316b2f10dd853ac0758e088d67d0a1a3dd07f6648c899b83e82b059c6796
Markdownd9a9d6a34c9586f40b80a248e0a5a78980099c94b4826bc0b85e8350176e439a
PDF
Publication page8c69d1faff0016c831fa614a055c28f11295a82d3d22944c6847ac8957ccb428
Manifesta72589781d6d7422395935026e468f14e35a48f0fdb1b2b195c7996d2de741d2

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
SignaturedqxGe4IGK5aZ3Y68pSohoOeWfy2FojxnphJM1OXUeMFF0BSqnK9ga3ss8FpJ+VchykeNgm/4FZVpsqGh3gAyBQ==
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

2026-09-17T11:54:59.153663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021192
observed 8c69d1faff0016c831fa614a055c28f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.135327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021192/manifest.json
observed a72589781d6d7422395935026e468f14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.117020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021192/publication.md
observed d9a9d6a34c9586f40b80a248e0a5a789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:59.099984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021192/publication.txt
observed 1ce8316b2f10dd853ac0758e088d67d0...
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.