OpenTechnical

OT-2026-000071336

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071336) never changes.

Identity and time

Publication numberOT-2026-000071336 · never reused
Internal UUID01a0ae91-e0ec-7e77-aa51-867ead80cd9a · 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-2026-000071336
StatusPUBLIC

Content hashes

Canonical textf4fd1a8de9eeb31ed4fffd9a31a0475f013575c4bc4d4564f1f5d7330a86182d
Markdown7436af06d96eda7d73c2b8f0590ea273ccb5e3a68c939f052a31f2a8aef629f1
PDF
Publication page2ee619b3a52d41f9748178ac0f6f906dbba222b5e9370c7c29f56e6130519673
Manifestb6cf321a7a3e3a4840ad70a6c84a95d65425284b7e5ea7870cec8317a1bcab39

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
SignatureZljQTSTDSo1bWJst0DAmJP1W6A+qEfOXeHcwVqejP8v7rkQGIoycJYaxCcyvv2fSypenFkpfY23zsPgsdsC0Dw==
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

2026-09-17T10:24:56.114582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071336
observed 2ee619b3a52d41f9748178ac0f6f906d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.096865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071336/manifest.json
observed b6cf321a7a3e3a4840ad70a6c84a95d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.076492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071336/publication.md
observed 7436af06d96eda7d73c2b8f0590ea273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:56.059049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071336/publication.txt
observed f4fd1a8de9eeb31ed4fffd9a31a0475f...
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.