OpenTechnical

OT-2026-000064176

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000064176) never changes.

Identity and time

Publication numberOT-2026-000064176 · never reused
Internal UUID01a0ae8d-a45f-7a02-b009-3d21903bbc17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064176
StatusPUBLIC

Content hashes

Canonical textf297e56804c06b30998a2109e5cb565c7a6d43b4b56a336e2fa9d75e7e75a246
Markdownf7aac714b907644d40cc7604c9ac5ccd938df686be7f71cf4ec84ee152854740
PDF
Publication page8f74e66d68f475c89ee432b2d0f7a9687ef3a308cc3c03c5dfaa7612b578cfcd
Manifestb0fc9615d2ebf904e2029f28ea1d38bb49b951501d226c049a43dfc46da33743

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
Signature5pZIabWD+2440+tP5BpNQlEij79VUlvED02TIBzcjsK33vs6ZooF461KzaHHdtxWUyyl7KMZFSehbHUr8X92BQ==
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

2026-09-17T10:36:11.501769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064176
observed 8f74e66d68f475c89ee432b2d0f7a968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.478552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064176/manifest.json
observed b0fc9615d2ebf904e2029f28ea1d38bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.458982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064176/publication.md
observed f7aac714b907644d40cc7604c9ac5ccd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:11.440808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064176/publication.txt
observed f297e56804c06b30998a2109e5cb565c...
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.