OpenTechnical

OT-2026-000078263

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078263) never changes.

Identity and time

Publication numberOT-2026-000078263 · never reused
Internal UUID01a0ae95-7c27-7c1d-977d-6f681702e83b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078263
StatusPUBLIC

Content hashes

Canonical texta7103518a11a83aedcc5e6326f6b074fad04cf6bc864ac06058e23097404db70
Markdown0884208cb463c3e5773d12a14885dfcc2881c349f0b975e457095203a72cc4ae
PDF
Publication page33300f9cc8a2ee5358fa0de50a34ddcf3fa2197200e6615316f2f4f2eaac8e7e
Manifestfc0cca2913facd844e6db257f8b9c3b171f4a5ddb67032617ebe03ddb8282e6b

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
SignaturewLLZG8ouwY6HAUZxqbqA/zFL+DHcKzsz2MwnAr79Ws95k3/FZujnUpqmAwHqHbtTC0nFt0KbnKE74/i/2OzHBg==
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

2026-09-17T10:06:13.444295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078263
observed 33300f9cc8a2ee5358fa0de50a34ddcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.424740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078263/manifest.json
observed fc0cca2913facd844e6db257f8b9c3b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.406183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078263/publication.md
observed 0884208cb463c3e5773d12a14885dfcc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:13.385148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078263/publication.txt
observed a7103518a11a83aedcc5e6326f6b074f...
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.