OpenTechnical

OT-2026-000049456

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000049456) never changes.

Identity and time

Publication numberOT-2026-000049456 · never reused
Internal UUID01a0ae81-8f7c-7761-b46b-e43fc274fc0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049456
StatusPUBLIC

Content hashes

Canonical text31a49707a8bc41ecb89dc21b92758791305cd662b0a05ae7090c7088d1199636
Markdownb4cdeb0f6b7c05a5395e45e4426ae499079ffc2e1fb5bd6bf55b6ab7b9e58e3f
PDF
Publication paged25c6c7cbb4c562d9c9c3776654f06950cc090fd7830c8fe673e440ee64761a4
Manifestf57b7595fb53f162f91b10ea33a4c518670938352c5a1b867562f74c7dd4b579

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
SignatureGw65/90Vbl6nmw3Mtn9sR6Bwg73R2iDWTW4WMPQ1KLAb2K/OUJadk45u8A5SYd3E7MOTLCiGeqaVyi+quumXBg==
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

2026-09-17T11:02:17.600927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049456
observed d25c6c7cbb4c562d9c9c3776654f0695...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.580918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049456/manifest.json
observed f57b7595fb53f162f91b10ea33a4c518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.563761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049456/publication.md
observed b4cdeb0f6b7c05a5395e45e4426ae499...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:17.546835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049456/publication.txt
observed 31a49707a8bc41ecb89dc21b92758791...
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.