OpenTechnical

OT-2026-000040452

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000040452) never changes.

Identity and time

Publication numberOT-2026-000040452 · never reused
Internal UUID01a0ae79-2701-709f-a43d-c445cca543f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040452
StatusPUBLIC

Content hashes

Canonical text52fb69247ed8a488b6d7cf5907dc20f085d76a0b66683cc888196513357b2477
Markdownbd1e30fa06b23db568e69d43e4c1313be64fceea72062319f35eeb87774efaf3
PDF
Publication page5e5fd99cc300e1f414f62bd6bda1efc6b4d9a504deb4e5404444fefe22596413
Manifest6d9e839f43904dca9d32701159914d32763422277f80e085aa48710829adfb96

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
SignatureV61/Ou5EEGaairK98n3iMN/J2CDcxp6J062pzLVZU75RFHxXMJotA4mM3mIIESRhGB4EGUtmfrGrcbPGhVQwAQ==
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

2026-09-17T11:19:29.779287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040452
observed 5e5fd99cc300e1f414f62bd6bda1efc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.762383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040452/manifest.json
observed 6d9e839f43904dca9d32701159914d32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.743176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040452/publication.md
observed bd1e30fa06b23db568e69d43e4c1313b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:29.724259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040452/publication.txt
observed 52fb69247ed8a488b6d7cf5907dc20f0...
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.