OpenTechnical

OT-2026-000025457

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, supply line 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-2026-000025457) never changes.

Identity and time

Publication numberOT-2026-000025457 · never reused
Internal UUID01a0ae71-5fa8-7cea-92e3-54e89370a25a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025457
StatusPUBLIC

Content hashes

Canonical text2a0c881f75715f5722e8a36ba47cd75eb8595d222864bd6eb8b23f93c1300dc4
Markdown4902cb87b7a246cea862ec74b76b3e527b2d1670e6bc6ab71b25f2bc58565a96
PDF
Publication paged619adfd09820d17cebc0fbb4cb3cb0d3dcbf4911817d0fc26cf8cd52e86b7b8
Manifest9d60da0c8f5ca08baea2acbf4dd45e9181617c28c8242ebef5cedeeb03a02024

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
SignatureXNcGJWcazReR/eimL8oENBOHfD7Dh8W+cQyrvMQUegwVg8/BFYkpDyJNyBps3KWHjH37bm86HjYxLO2Q/IGLDw==
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

2026-09-17T11:47:32.506308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025457
observed d619adfd09820d17cebc0fbb4cb3cb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.488588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025457/manifest.json
observed 9d60da0c8f5ca08baea2acbf4dd45e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.469022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025457/publication.md
observed 4902cb87b7a246cea862ec74b76b3e52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.450042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025457/publication.txt
observed 2a0c881f75715f5722e8a36ba47cd75e...
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.