OpenTechnical

OT-2026-000071269

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000071269) never changes.

Identity and time

Publication numberOT-2026-000071269 · never reused
Internal UUID01a0ae91-e0ec-78c8-9c12-c9a2b7c8f632 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071269
StatusPUBLIC

Content hashes

Canonical textcb3316c3dfd4940953440719a798e4ef2870b06ddecdba09160b3ebc343044c1
Markdown574a5a00d9a55f3be661f48d01d2ce288e797c42448e2e38bf2f7aadec3ae6e2
PDF
Publication page509df05c1561f66f06d55317fde7cea4a7fb10d3fcf32e4680b0682445b7df28
Manifest83a2d57f6e0244844babad88e3d9608150f9a57bfacebbe6acc087f986f90b94

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
SignatureHOa0lHy+z7mSfLJqmHtBiGJQnCO7YEMtKjyyuLvXWZqRsobrFhSTGMdBsUGTQN3II8OXGJ1DN5qbvvNzmaibAw==
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

2026-09-17T10:24:49.838873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071269
observed 509df05c1561f66f06d55317fde7cea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.820402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071269/manifest.json
observed 83a2d57f6e0244844babad88e3d96081...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.799419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071269/publication.md
observed 574a5a00d9a55f3be661f48d01d2ce28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:49.781167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071269/publication.txt
observed cb3316c3dfd4940953440719a798e4ef...
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.