OpenTechnical

OT-2026-000039149

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000039149) never changes.

Identity and time

Publication numberOT-2026-000039149 · never reused
Internal UUID01a0ae78-9673-7f85-b6a2-a2bbb55b153f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039149
StatusPUBLIC

Content hashes

Canonical text18c94b693efa711cb87b5288fa35edd94f5c2415f33545d4fd07591d468ebfe5
Markdownc8aa0b13ff5f7920e69ed40bc903aaa5a8c44f2a0bd0f0196470330138d35524
PDF
Publication page5c56fe151249bf0a6c83c3792d7d382d285ca43f7c6e6450a71c7f31a608c88a
Manifest9d47800e53eb83be775c01baf3967b5bf615136d662f9e287617e83f1984063f

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
Signature2Paeu1OA0vrILVXN8Vc+i1kVBtDx308pPrIVOzX7u5jn8x4qWfxe7O1mp2AtUSIccNV116Hz1l10+ThmCcINAg==
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

2026-09-17T11:20:39.584660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039149
observed 5c56fe151249bf0a6c83c3792d7d382d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.565578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039149/manifest.json
observed 9d47800e53eb83be775c01baf3967b5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.547125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039149/publication.md
observed c8aa0b13ff5f7920e69ed40bc903aaa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:39.530514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039149/publication.txt
observed 18c94b693efa711cb87b5288fa35edd9...
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.