OpenTechnical

OT-2026-000030343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000030343) never changes.

Identity and time

Publication numberOT-2026-000030343 · never reused
Internal UUID01a0ae73-e501-7685-8a2e-b6a1639091e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030343
StatusPUBLIC

Content hashes

Canonical textd70c7c1536c579388cbe449a10d7f1791e3f58431647c2193fe059863c62cac2
Markdown7e9a7582f3b7a3c5ebb2e3773fad44a42047ac0c1e13f555cd2f5f26ea7249f9
PDF
Publication page5438cfda9c641742eafd52575f4a845e091054761d4daa570255d8ee6285ef16
Manifestcdd279278bfa19e4987bb7cea79108e7521f66e8fcf626535f2462903f3bc3d5

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
SignatureqwPT+AKkst7sMMZjBxEgHi86f6T2QaXy14Vp4SCDjA/a3mIXBEf14hjSj6EhZQ/a0ZTNlXTGT2lVweuRGiC2BA==
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

2026-09-17T11:38:03.429350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030343
observed 5438cfda9c641742eafd52575f4a845e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.412048ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030343/manifest.json
observed cdd279278bfa19e4987bb7cea79108e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.393978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030343/publication.md
observed 7e9a7582f3b7a3c5ebb2e3773fad44a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:03.375792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030343/publication.txt
observed d70c7c1536c579388cbe449a10d7f179...
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.