OpenTechnical

OT-2026-000029280

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029280) never changes.

Identity and time

Publication numberOT-2026-000029280 · never reused
Internal UUID01a0ae73-2aa1-7fdc-bcc6-325c2e349700 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029280
StatusPUBLIC

Content hashes

Canonical text23e42d81aa006edfb262ed3046912dd62e0841e39d587bdaa7bb446bb709c729
Markdown399a0a43d9afbc6bab2bfab21647fbe8fbc12de8005a3026ddb466d322001ccc
PDF
Publication page547fd637706afe7683a0ee11bdbb98add397413bd058d95565b83c14f3104e6a
Manifest0de40c531754dcb121026deb1b682e65a582247b60180e0e19b4688356de9b3a

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
SignatureiAbrdyZSi8AXmwDnX/i/K2rgEHxqfNd681su9FKCe7sgAWz815cs9em26O/A7nAbEzD9IC6GI/SGpx0PpI5TDg==
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

2026-09-17T11:39:54.857239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029280
observed 547fd637706afe7683a0ee11bdbb98ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.839407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029280/manifest.json
observed 0de40c531754dcb121026deb1b682e65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.819542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029280/publication.md
observed 399a0a43d9afbc6bab2bfab21647fbe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:54.801610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029280/publication.txt
observed 23e42d81aa006edfb262ed3046912dd6...
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.