OpenTechnical

OT-2026-000069346

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000069346) never changes.

Identity and time

Publication numberOT-2026-000069346 · never reused
Internal UUID01a0ae90-b529-7052-bb74-79ff9e0d63f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069346
StatusPUBLIC

Content hashes

Canonical text0c86383329e1b8a2ec1ae85296d37dbba282b839a08e17456e4f163194bb7126
Markdowne2d207ca22950e1db17be5eaaf7af69a593c0bf19235c591d17946f4693be040
PDF
Publication page0072b19b8808df8184816787f692691fe599756df30ce61c5b22b8709e40ca98
Manifest7f2caa3a2a6b26facb904a70be79893aa81d646eb17ec51959e6c12b0adf0d01

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
Signature0+bqQWiD0ZozLoj8c7x+UWOf1zFAvvQ7YUHXP2R4R+ex0GcOgkMlAySc1xzz9sBIWonwGAmI1qh7VuOlpWUzCQ==
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

2026-09-17T10:30:15.056584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346
observed 0072b19b8808df8184816787f692691f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.037894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346/manifest.json
observed 7f2caa3a2a6b26facb904a70be79893a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.017581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346/publication.md
observed e2d207ca22950e1db17be5eaaf7af69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.997807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346/publication.txt
observed 0c86383329e1b8a2ec1ae85296d37dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.013646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346
observed 0072b19b8808df8184816787f692691f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.991549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346/manifest.json
observed 7f2caa3a2a6b26facb904a70be79893a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.972720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346/publication.md
observed e2d207ca22950e1db17be5eaaf7af69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:55.954302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069346/publication.txt
observed 0c86383329e1b8a2ec1ae85296d37dbb...
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.