OpenTechnical

OT-2026-000080053

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump 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-2026-000080053) never changes.

Identity and time

Publication numberOT-2026-000080053 · never reused
Internal UUID01a0ae96-4377-7c25-b434-94c85925a232 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080053
StatusPUBLIC

Content hashes

Canonical textbb62696ff74ff4db59f8990c4fc9c7a353d4d41a88a64a9d0cf24504df7c03d5
Markdowneb78e286b854f6ac1e162c2e91ae6413f08cc408e3b241fb212f9ca9cfc2f6ff
PDF
Publication page6955fd18c8999493bd83960a483e8674284ce910a99ad6c887a7db3212ec2121
Manifestbe2b55bc0f47a9aed79639a6e3f3e3c4fae36d2d45892601e9c61c4b64293bfe

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
Signaturelyv4kNdNUn7EzVyUE9DHbOxNpHQq5D7SvWGYHa/kWEGAlOAIHoAemP13WuO7aWS0nqswxvGxKLdoFaVzJUMNCA==
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

2026-09-17T10:03:58.975396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080053
observed 6955fd18c8999493bd83960a483e8674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.956837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080053/manifest.json
observed be2b55bc0f47a9aed79639a6e3f3e3c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.937281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080053/publication.md
observed eb78e286b854f6ac1e162c2e91ae6413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:58.918499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080053/publication.txt
observed bb62696ff74ff4db59f8990c4fc9c7a3...
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.