OpenTechnical

OT-2026-000034326

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000034326) never changes.

Identity and time

Publication numberOT-2026-000034326 · never reused
Internal UUID01a0ae75-df0e-7d18-88bc-72ca82855c80 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034326
StatusPUBLIC

Content hashes

Canonical text65a45e202a83c711082b91e5b3bc6059f856f4f78d39edf94c0239ff5f50386f
Markdownf7eb101aff07ea803abe698ae4a7e56321ebe6bdd2881de2a4cb6c06dff56891
PDF
Publication page855b4ee17a2dfd1d087e2c24db8ca2ad53f9e17468adccb011e7edc5bd57ad2d
Manifest00349a0b7231257820b65b0232a808ff0e1fe0c88f7f72209eed8bd2191d0220

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
Signature1jf5NLmCXP6nZ0cFI0L1Qh/srHymrQ4lhLDzZe7/WySojmLoRfLrwfbFc+UxYUJc0q+p5xCsHqPX5u+RcTFsDA==
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

2026-09-17T11:31:01.266228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034326
observed 855b4ee17a2dfd1d087e2c24db8ca2ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.248071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034326/manifest.json
observed 00349a0b7231257820b65b0232a808ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.233192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034326/publication.md
observed f7eb101aff07ea803abe698ae4a7e563...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:01.216723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034326/publication.txt
observed 65a45e202a83c711082b91e5b3bc6059...
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.