OpenTechnical

OT-2026-000037303

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000037303) never changes.

Identity and time

Publication numberOT-2026-000037303 · never reused
Internal UUID01a0ae77-b8cd-7009-badb-fbcbc557cbc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037303
StatusPUBLIC

Content hashes

Canonical text31519d8f1a8aef6e0e597771649585ca75ecb83a78ec2a34a2e85740b44db941
Markdown55fa0f67beeea8d3c038fe497692969f35e68948081d3dc04fdce8518fb0f620
PDF
Publication pagea05311923b36756676cc81661fe1e76d6b9a936c71484335991a1c6104bd957d
Manifest02ed9cf82779c036b613cedf8a2f2edd64900b83eb147982a4945f8f6c050619

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
Signaturec347/m1rgFYJGBuw4AOWgb+1ApPofJr3U/6XAIc3Nd084I8b+9bStB6o2kP4N0MAL/ecaPf/GV7gIkpv1gUWCg==
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

2026-09-17T11:23:35.637415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037303
observed a05311923b36756676cc81661fe1e76d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.617138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037303/manifest.json
observed 02ed9cf82779c036b613cedf8a2f2edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.597200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037303/publication.md
observed 55fa0f67beeea8d3c038fe497692969f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:35.576645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037303/publication.txt
observed 31519d8f1a8aef6e0e597771649585ca...
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.