OpenTechnical

OT-2026-000010258

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, vented after set-down

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-2026-000010258) never changes.

Identity and time

Publication numberOT-2026-000010258 · never reused
Internal UUID01a0ae6b-cb7b-715a-a518-96b4a876ba07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010258
StatusPUBLIC

Content hashes

Canonical text5f7f79fe9981a24e2e833d0f658a292f1c5ba596f8cf9c0a8e051019e4e9fa8f
Markdown5c6f8a01c46a75bdfd95322d22bf69dfecf6e6470e2e1b74bbf0c22d5aa6fee4
PDF
Publication page9cf0f1d9583888e6bf00dd583df85d195854443bcc55a72b96020f793d1ff156
Manifestbd8e9f6e94ccc894e3b062353d4dd17e1aade7dff9f005afbac3ef522ba34385

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
SignatureELrQoxgA6JjiRFXD/i63zcbVA1Tajrt3jm3LQVm5ifrDjcY3pZcnaqMClu2n32WEF1whPvg/tuAYZRLg6stAAg==
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

2026-09-17T12:16:28.719273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010258
observed 9cf0f1d9583888e6bf00dd583df85d19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.698442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010258/manifest.json
observed bd8e9f6e94ccc894e3b062353d4dd17e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.679399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010258/publication.md
observed 5c6f8a01c46a75bdfd95322d22bf69df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:28.659362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010258/publication.txt
observed 5f7f79fe9981a24e2e833d0f658a292f...
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.