OpenTechnical

OT-2026-000069642

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000069642) never changes.

Identity and time

Publication numberOT-2026-000069642 · never reused
Internal UUID01a0ae90-b52c-7cf2-8577-371fdd0a3a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069642
StatusPUBLIC

Content hashes

Canonical text87cbf57f53ab940b989ebabe5b5a02a2c69559088f819ce90aba225546a00ce3
Markdown29826b54c43e3db9c4307af8d58283328bfa585a1efd3a3fb7024aedefcffe9a
PDF
Publication page5ae77ee154c0c048b200cd535900cc2b4d70a74caabcc20c34f2ce2f83a02775
Manifeste6f007904d004614bc0e3501243126d4f69afe96aba268673d0c197c667984bf

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
SignaturerUSQfleU1pNjom+ZLeLyzR0mmpwWO6s3C4iFppOKD2ZZLrGQ7E6mHzxBC/oJuFU1XtEpyj/INP1yVcMjsCw4Cw==
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

2026-09-17T10:28:18.628902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069642
observed 5ae77ee154c0c048b200cd535900cc2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.613351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069642/manifest.json
observed e6f007904d004614bc0e3501243126d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.595859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069642/publication.md
observed 29826b54c43e3db9c4307af8d5828332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.578523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069642/publication.txt
observed 87cbf57f53ab940b989ebabe5b5a02a2...
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.