OpenTechnical

OT-2026-000064608

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000064608) never changes.

Identity and time

Publication numberOT-2026-000064608 · never reused
Internal UUID01a0ae8d-deb8-7039-90e4-c4d382232283 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064608
StatusPUBLIC

Content hashes

Canonical textdb4ecf403840143f78ee465e3c5bf23510e7507cef5d3e04d628f5c081cc2ecc
Markdown10361189692204edaed7f63f32a6d8a6f051e78365a8d819f52c9b7304832aeb
PDF
Publication pagef567d5dd4358c0093c4da90ec2d628c922c37500ee2de90d20b6cc0ec561424b
Manifest08af1d918abc3997cc90a768e30ed46d206165c65b6563e940f4989bd37387c2

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
SignatureVGda0pDI9+LgLPTsd0gtXaC1YHtuZIYKCEygaBmXPJCQzJtxSw36cH5JxiFrzyG1D9kIzIQhRF2736JK8K+2Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:35:23.017206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064608
observed f567d5dd4358c0093c4da90ec2d628c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:23.000335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064608/manifest.json
observed 08af1d918abc3997cc90a768e30ed46d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.981957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064608/publication.md
observed 10361189692204edaed7f63f32a6d8a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:22.963976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064608/publication.txt
observed db4ecf403840143f78ee465e3c5bf235...
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.