OpenTechnical

OT-2026-000012542

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off before 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-2026-000012542) never changes.

Identity and time

Publication numberOT-2026-000012542 · never reused
Internal UUID01a0ae6d-39f7-7f5e-863d-719b2cb67aa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012542
StatusPUBLIC

Content hashes

Canonical textcc69449c1f7ed3293a74918d2fee3eb8fb8f101bf7049d5c3f19c3c4e3e736b0
Markdown1a11015253738a3f08bb5fd3f12c55414cda18d1b2bd06964cb2d4e17bc3866b
PDF
Publication page42792f507698fe4e6334f3e8857959445931935289b42d47d626299e0aa46608
Manifestc5ca8f2843c63d287362bd0befb6b878683e5ac55e1be39bb6e077bdd4056795

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
SignatureXvL0jbnYvPx2w+uERq3jt7blYVr+pEBxGnxATjOo/HNMjoc3ct41N2kNseRHrfPHPpy3ksIheGDunjdfCBEBBg==
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

2026-09-17T12:12:04.806797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012542
observed 42792f507698fe4e6334f3e885795944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.778397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012542/manifest.json
observed c5ca8f2843c63d287362bd0befb6b878...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.746471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012542/publication.md
observed 1a11015253738a3f08bb5fd3f12c5541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:04.710214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012542/publication.txt
observed cc69449c1f7ed3293a74918d2fee3eb8...
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.