OpenTechnical

OT-2026-000085950

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained 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-2026-000085950) never changes.

Identity and time

Publication numberOT-2026-000085950 · never reused
Internal UUID01a0ae99-e82a-7da7-81e2-6f9315b38fd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085950
StatusPUBLIC

Content hashes

Canonical text49a04288c79699558f0219d9c3d1d2d43afcd788d98daaaafcd103507e263b9d
Markdownc4a1f55ab3ad72b849d373fbb8c33eef6e1cbe9aab178d06016e99bbd16f73f5
PDF
Publication page5d899c65be53a27d0720b32e18067aefc5f732fc01a5bc97b5e8169fb9cdb080
Manifest4d91ced5a091d29c83504ed53715633f60d7e5bc29fb852cd34074f24c8f5a2c

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
SignatureLzKpOAJnxluMba7UWAKO8tWqsRd1X9sF1zKABS5fynCmHg+J6BQ2Wo5eFbuXskcEVDEJFC2aiY+xJUVEmwGJBg==
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

2026-09-17T09:52:54.572525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085950
observed 5d899c65be53a27d0720b32e18067aef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.555694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085950/manifest.json
observed 4d91ced5a091d29c83504ed53715633f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.538998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085950/publication.md
observed c4a1f55ab3ad72b849d373fbb8c33eef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:54.520656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085950/publication.txt
observed 49a04288c79699558f0219d9c3d1d2d4...
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.