OpenTechnical

OT-2026-000048698

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000048698) never changes.

Identity and time

Publication numberOT-2026-000048698 · never reused
Internal UUID01a0ae80-c32b-7d87-a6c7-dafa50e1f067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048698
StatusPUBLIC

Content hashes

Canonical text0962a09e29ea930ae3500d4395f572913843c81439daa7d42b46f829a2850890
Markdowne50de98374600e680ca4cbf23694b5d847fcd560480414d1cbc2aca31bb74af4
PDF
Publication page026b8518c3c7f94c04a57e4f6dcfcddbb7114c85f5d1ca5634223ef0f0f3dfe5
Manifestb81de4e56e087259276110112424bc7cf5b5e5e68614674c084d3c741e943cba

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
SignatureXqUQINvqD7nnuaOw1NnEa1cF/hfgOSKGwsGMeYb3njDoWFTxLfqE3YBFx4XfPGtQ+VjIoR3qKnQHrnTZV5rhDQ==
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

2026-09-17T11:04:19.958357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048698
observed 026b8518c3c7f94c04a57e4f6dcfcddb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.863785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048698/manifest.json
observed b81de4e56e087259276110112424bc7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.842694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048698/publication.md
observed e50de98374600e680ca4cbf23694b5d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:19.823633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048698/publication.txt
observed 0962a09e29ea930ae3500d4395f57291...
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.