OpenTechnical

OT-2026-000071114

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-2026-000071114) never changes.

Identity and time

Publication numberOT-2026-000071114 · never reused
Internal UUID01a0ae91-e0eb-70a7-86e2-ed79d1a1a469 · 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-2026-000071114
StatusPUBLIC

Content hashes

Canonical textf2d376c8231589f17fc31447a3371ecef6d49208c47843da4fd68ed447a951e0
Markdownfad3aa15e925281ab6ce2859ba6c9523abf9305b41f6b0a04938e41a83f65f11
PDF
Publication pagede994f9c792cb5bcebda063ebd8cfbfeb84fe54dcf5d24bf4362664cd3ab6ede
Manifestb7859925bed1ffd26961f8b277dbbc4ddf0c1de6671434ec8a4b995d4b57d254

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
SignatureUP7DmVmANEAT9NY2tGX2T+P3NhDeKHBVVW3nK4N4icwqPxbaEU23W098VToiTcFdMArtm4LUL3eGH68cDuHjBw==
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

2026-09-17T10:24:36.375073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071114
observed de994f9c792cb5bcebda063ebd8cfbfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.355761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071114/manifest.json
observed b7859925bed1ffd26961f8b277dbbc4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.337906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071114/publication.md
observed fad3aa15e925281ab6ce2859ba6c9523...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:36.318643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071114/publication.txt
observed f2d376c8231589f17fc31447a3371ece...
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.