OpenTechnical

OT-2026-000042072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000042072) never changes.

Identity and time

Publication numberOT-2026-000042072 · never reused
Internal UUID01a0ae7a-5d70-772b-9719-dccd24b3cbfd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042072
StatusPUBLIC

Content hashes

Canonical textd2b228166aea3515936d35a926c5046281d0191e981d8e97a8c786bf7398832b
Markdownfb3747ebbc9f82f5e2d4a1fc970c833777e8c279438c0c767acf6d8bb5daba2b
PDF
Publication page5265101a1936f00db7d85058b7c2c9d315b471cdb517d8b4fbca47b876903781
Manifest2c10e94d51f52cfbcec2d018c04c6abb674cc42d68fc85b72897d77a0a8b6c30

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
SignaturevTVnNe2r33Gqtr3POdNsAcSLqQk3pLApyb9/MwT/xp6r7GY4o7zPCSGraHXF8Ae1TIHtZvb/88nu57nJ8u4vAw==
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

2026-09-17T11:15:35.781287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042072
observed 5265101a1936f00db7d85058b7c2c9d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.761616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042072/manifest.json
observed 2c10e94d51f52cfbcec2d018c04c6abb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.743427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042072/publication.md
observed fb3747ebbc9f82f5e2d4a1fc970c8337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:35.723171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042072/publication.txt
observed d2b228166aea3515936d35a926c50462...
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.