OpenTechnical

OT-2026-000030718

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000030718) never changes.

Identity and time

Publication numberOT-2026-000030718 · never reused
Internal UUID01a0ae74-3fb4-7cdf-9aa7-2505393824f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030718
StatusPUBLIC

Content hashes

Canonical texte7f239ff476deb3d1f006a07372a537463e63db81f2c28daf57cbfeb325fd7f3
Markdown3db731c8e2e95515296da430da482dcd0c42271b3507fbedd617d156a17e0489
PDF
Publication paged56eebe3b2d430fbfd85aa07dbe1686ffc19fc5461f555013ac905258baaa678
Manifest69944147f4386289613c7ef2c01cc2f50126ed5bf386feaf316098f1b02ec82c

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
SignaturehyEWQTnbHAmrkNCzzSTIg1z62nFr/qsFVuz51rYsSYtmLnpQbyp0blr6B2O2aBrP8PQ5Tp2gUMzKCuWv80B0BQ==
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

2026-09-17T11:36:38.688838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030718
observed d56eebe3b2d430fbfd85aa07dbe1686f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.672771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030718/manifest.json
observed 69944147f4386289613c7ef2c01cc2f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.654461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030718/publication.md
observed 3db731c8e2e95515296da430da482dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:38.637794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030718/publication.txt
observed e7f239ff476deb3d1f006a07372a5374...
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.