OpenTechnical

OT-2026-000070580

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, vented before 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-2026-000070580) never changes.

Identity and time

Publication numberOT-2026-000070580 · never reused
Internal UUID01a0ae91-5460-760c-90e2-707a312c722a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070580
StatusPUBLIC

Content hashes

Canonical text05b8ca90bcb9b59127db89b0c9a0288c2dff02839a1bfeb0f918deb464934488
Markdownf1bfdc84c2b2d65117a8024d6a0491251241ea6ae6e0350b52217a46c0701853
PDF
Publication page31b7a701778df2a9bccecbff8ec1cc0479d9101c21a908e34561ce16097e0a28
Manifest96c8769232cf434147956ce894654bbf5f55698fee34b8e1dc9d813509d62eeb

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
SignaturebcPlpms+WmhD3CmnN+LRQLORrKRt/sMjfKXV6iuEu//WEcIA8GLBdt4KkGE0tuILtyK0DKEuZRnyqVsHD6QYDw==
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

2026-09-17T10:26:25.994463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070580
observed 31b7a701778df2a9bccecbff8ec1cc04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.978311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070580/manifest.json
observed 96c8769232cf434147956ce894654bbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.962386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070580/publication.md
observed f1bfdc84c2b2d65117a8024d6a049125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.946123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070580/publication.txt
observed 05b8ca90bcb9b59127db89b0c9a0288c...
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.