OpenTechnical

OT-2026-000014439

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000014439) never changes.

Identity and time

Publication numberOT-2026-000014439 · never reused
Internal UUID01a0ae6d-b27a-73cc-85d8-bdeb925150c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014439
StatusPUBLIC

Content hashes

Canonical textfd1305a25064ee4450cf7571282cbdf88761d872bb14589617288d281f8bb340
Markdowne0867e88a73a93832bced95d2ea0bf18493aabc1b5c9d1636d4de3e0db815035
PDF
Publication page66a683f83fe9ec603876d83a19d366c85c46691bae5e423132ad7f7c198b1629
Manifest1cadef0c895af1eafc86d41a0434c391066f35752a94c6ca3a2b0634730a6676

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
Signature4OKRmOXMqjfXCzyphShDQDo080Umkri0FZJsGps9TkWHQG6uvVHmJFBDP9Xvn5zRY4rETisc4To0dWcVOEaPBA==
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

2026-09-17T12:10:12.701664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439
observed 66a683f83fe9ec603876d83a19d366c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.686196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439/manifest.json
observed 1cadef0c895af1eafc86d41a0434c391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.667981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439/publication.md
observed e0867e88a73a93832bced95d2ea0bf18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:12.650748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439/publication.txt
observed fd1305a25064ee4450cf7571282cbdf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.693441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439
observed 66a683f83fe9ec603876d83a19d366c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.600664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439/manifest.json
observed 1cadef0c895af1eafc86d41a0434c391...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.582980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439/publication.md
observed e0867e88a73a93832bced95d2ea0bf18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:18.564999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014439/publication.txt
observed fd1305a25064ee4450cf7571282cbdf8...
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.