OpenTechnical

OT-2026-000043071

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000043071) never changes.

Identity and time

Publication numberOT-2026-000043071 · never reused
Internal UUID01a0ae7b-3278-7562-a7bd-7e377d6d00aa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043071
StatusPUBLIC

Content hashes

Canonical textb5f0a57c848f1c5757e7410c188885a0de98192d8d563a250aad82e55cb3a77b
Markdownfedc22da0851db6942001ef4e652e7d426a0b2bb1008928843f773aaea202186
PDF
Publication page20da1e560acab57d6336a5fd9b674d60f1ddc18c9e1e3a03f59351ad1c87a2e4
Manifest8b2bd7d40e88377a216bbca517065c6739cdab2650e34a884759d59372defb39

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
SignatureU4UcnVGlj4XIK8p54EQ0L0i/CAMIoZqxOdUE60tlcwrUHehZTYRBDDs86h/TU9c5sbimWHA0VFtjVFlkBYxoCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:29.090785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043071
observed 20da1e560acab57d6336a5fd9b674d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.071375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043071/manifest.json
observed 8b2bd7d40e88377a216bbca517065c67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.050903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043071/publication.md
observed fedc22da0851db6942001ef4e652e7d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:29.031565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043071/publication.txt
observed b5f0a57c848f1c5757e7410c188885a0...
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.