OpenTechnical

OT-2026-000070228

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump 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-2026-000070228) never changes.

Identity and time

Publication numberOT-2026-000070228 · never reused
Internal UUID01a0ae91-545e-72f1-a159-14cdbeed8185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070228
StatusPUBLIC

Content hashes

Canonical text6a2fbab9ace713466d410b05af902b1c89157d9cf522b201fe27475d9647ffa5
Markdownebf83010e67bae320459703b025761f217404fcfa4973828b761967cd5bdab2d
PDF
Publication page525c93348c9911b8420d4bd2caa2b2e574d69392ef3095ad3a02ee2af887e134
Manifest9a35960a3481222ca7a2a7b84cffba565b7fec2c125c96b938b40d25d963b514

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
Signatureux3Kpxt6rHI5CfDkETbrTZ6mVOJ3EH5L+OGltE+zYg9bTjTmQKTifXAFSSRvT4zJdQ9zGF8Vc7hdskC0kQW8Aw==
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

2026-09-17T10:25:59.952304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070228
observed 525c93348c9911b8420d4bd2caa2b2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.933672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070228/manifest.json
observed 9a35960a3481222ca7a2a7b84cffba56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.915376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070228/publication.md
observed ebf83010e67bae320459703b025761f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.898004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070228/publication.txt
observed 6a2fbab9ace713466d410b05af902b1c...
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.