OpenTechnical

OT-2026-000085726

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, sustained blow-off 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-2026-000085726) never changes.

Identity and time

Publication numberOT-2026-000085726 · never reused
Internal UUID01a0ae99-aaae-7354-8774-483bb51db30d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085726
StatusPUBLIC

Content hashes

Canonical textc1fb83c4bfc18a847efb3ecb901a35cef0440527ba851446ef94f6d0a76b003f
Markdowne5f98d45de1bcf7d56d90dc48864095dffce229c512f7fecaf31c75d8faf51ba
PDF
Publication pageffb504471cf3ab6d6c696f7d7b315c9ef3395cbf64c93c6a055293f5e65f3d0e
Manifest49f9067a823a0c47c77a6f189b30be828bed9381ac8e09e2e79b2f2a1426eebe

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
Signaturek3Vgvc0DHs1hC5rxuDvFtSvT/lW9QdppVF+rY2nnCnY8bTOVVGgpzqWn/0Cw82jxnKdukUAOD0Z+pG/37gg8AQ==
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

2026-09-17T09:54:38.233398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085726
observed ffb504471cf3ab6d6c696f7d7b315c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.214898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085726/manifest.json
observed 49f9067a823a0c47c77a6f189b30be82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.195893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085726/publication.md
observed e5f98d45de1bcf7d56d90dc48864095d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.178295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085726/publication.txt
observed c1fb83c4bfc18a847efb3ecb901a35ce...
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.