OpenTechnical

OT-2026-000067356

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

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-2026-000067356) never changes.

Identity and time

Publication numberOT-2026-000067356 · never reused
Internal UUID01a0ae8f-6bd8-7ef6-91e4-4186e1d629ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067356
StatusPUBLIC

Content hashes

Canonical text8826ccfb1c2ed15bcc4c9e85212fc18965f86ca8b3208a7b332877cfcff290b0
Markdown53f5c8364760530d17aebf8b7fe38b3931455660c47245f7cdbb9b52c7fa7d53
PDF
Publication pagefeb543625b8886429dbb3ff68013a05ac33b739d7e7b07f6ddc2c13124bfb90b
Manifest83f35ad6ace367e65cf951be55bc34771365bc3ccb6d9563086d10f5190e5f9e

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
SignatureOQEWI19tC8VDKuhxlK7D91dOmrIkrEbUsdM18YKKdx9LG88blBFZRhR1rc1c7PJTcg85DBvih8glH2sKliX3BQ==
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

2026-09-17T10:31:32.262444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067356
observed feb543625b8886429dbb3ff68013a05a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.245183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067356/manifest.json
observed 83f35ad6ace367e65cf951be55bc3477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.228821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067356/publication.md
observed 53f5c8364760530d17aebf8b7fe38b39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:32.211133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067356/publication.txt
observed 8826ccfb1c2ed15bcc4c9e85212fc189...
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.