OpenTechnical

OT-2026-000038615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038615) never changes.

Identity and time

Publication numberOT-2026-000038615 · never reused
Internal UUID01a0ae78-2d54-7d93-ade8-0d7fe30ffb7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038615
StatusPUBLIC

Content hashes

Canonical text04652b83d929e01f4423bb911aef6e8b748d260e53838d1874b21311c8b98f35
Markdown3621dc5f3cae7e728d95e88a2e4addd7503e4bc44fadc78bc1d51037af693cac
PDF
Publication pagebb60cbd8b2a29955af7be8e47d5364f7c06e999bab000275c9d1311891017b41
Manifestf1a67febfd5e20a949d158baa58034a568ddb9c7d8746218e52bf17564122fd6

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
SignaturePjGC3QT8FmuqZ0bw0Kj13wZCR0yuxf2GvS55MbjTh9my33M5RJk9phSlduXQQuB4nfQGG2s4CdFTSuAkZ7OwBw==
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

2026-09-17T11:22:54.682637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038615
observed bb60cbd8b2a29955af7be8e47d5364f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.663444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038615/manifest.json
observed f1a67febfd5e20a949d158baa58034a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.646540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038615/publication.md
observed 3621dc5f3cae7e728d95e88a2e4addd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:54.624359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038615/publication.txt
observed 04652b83d929e01f4423bb911aef6e8b...
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.