OpenTechnical

OT-2026-000084077

Publication integrity record

Three cup vacuum gripper, three 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-2026-000084077) never changes.

Identity and time

Publication numberOT-2026-000084077 · never reused
Internal UUID01a0ae98-5b5e-79b8-9428-f70b3512d642 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084077
StatusPUBLIC

Content hashes

Canonical texte08e8f5be594a78e72db1b2017a2a2b872bab1218662ca79e23f2b268e3de4c4
Markdown1f9057469a68ed43dcb67fe9f2817a8d7787383be611c6e277d2489eed6a6dc7
PDF
Publication page7702878794d342609f7d7298eb731364e8ef3288281fdf186800bad3babc7933
Manifest6208a14c7671940d6529cce4a6629b40f95e25e6b30fc543a408cdb82ef50062

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
Signaturep0q2v7zITBeACoquzSI8MTxPZ4M7kR3hZb1OHQee05SDrBcK11prLXKYP5SLyS2fAEIQZFOiBwttL3brafQuAQ==
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

2026-09-17T09:55:49.244954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084077
observed 7702878794d342609f7d7298eb731364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.222410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084077/manifest.json
observed 6208a14c7671940d6529cce4a6629b40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.203035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084077/publication.md
observed 1f9057469a68ed43dcb67fe9f2817a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:49.084544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084077/publication.txt
observed e08e8f5be594a78e72db1b2017a2a2b8...
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.