OpenTechnical

OT-2026-000065158

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented 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-2026-000065158) never changes.

Identity and time

Publication numberOT-2026-000065158 · never reused
Internal UUID01a0ae8e-1df9-7c79-b720-aeba230fb170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:04.519862Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065158
StatusPUBLIC

Content hashes

Canonical text74554986471aa417d0a9a69a4614c9d57f8819c841f6f3063396e3d98ee14470
Markdown920dd4b8fb1303ae2c5956e9066759d25be9ca22e0182fa6c473d64d7aa53728
PDF
Publication page0f809a7d6845874e548ed93d12b45a9ac938942e9b0bec73fa8d8073066bcaba
Manifestaef52dedd87a6b52fbcb6a8e6c51179d9fe39e0e2e5a14b7d78e4bb8bd8df577

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
Signaturet4jDbR0AXktE4EffYrvHr61KiZEQnb4C1RlkQsyCSjEN1XjgX5sSFmxlGzi9kxHQ8wMGqcVnrlzhE2ciTwiXDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:34:59.777459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065158
observed 0f809a7d6845874e548ed93d12b45a9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.762264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065158/manifest.json
observed aef52dedd87a6b52fbcb6a8e6c51179d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.743282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065158/publication.md
observed 920dd4b8fb1303ae2c5956e9066759d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:59.722891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065158/publication.txt
observed 74554986471aa417d0a9a69a4614c9d5...
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.