OpenTechnical

OT-2026-000029576

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000029576) never changes.

Identity and time

Publication numberOT-2026-000029576 · never reused
Internal UUID01a0ae73-5e22-7eb9-bd4e-9f5b8360d5a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029576
StatusPUBLIC

Content hashes

Canonical text2ca3f54d50f3e782e9ad38dad73a2216a0e46107575460f90b51a19b86025a7d
Markdown25ea8dc003191bcc5bd496a1ba74e3c50a83e584ff25fde588e97a0ea2805d37
PDF
Publication pageca1fe026e37cd07b9611012996c4c21ff323eebb2c52860666d1f6164bac1005
Manifest2b9589d6c2121145bec0a1fcbaad192525ae065522651eaeb39ae86a90252d76

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
SignaturerTBwz+tkHA2F/Z3yas1kKIwvdA+U50BsmS/qlGb9AoaaxoDYBQwuGscu5xWUAASCY2mvXS+3VJ5JmbmOoiN7CA==
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

2026-09-17T11:39:16.419110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029576
observed ca1fe026e37cd07b9611012996c4c21f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.400663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029576/manifest.json
observed 2b9589d6c2121145bec0a1fcbaad1925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.382858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029576/publication.md
observed 25ea8dc003191bcc5bd496a1ba74e3c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:16.360780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029576/publication.txt
observed 2ca3f54d50f3e782e9ad38dad73a2216...
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.