OpenTechnical

OT-2026-000070440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000070440) never changes.

Identity and time

Publication numberOT-2026-000070440 · never reused
Internal UUID01a0ae91-545f-73ae-8b1f-579e21b22ce1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070440
StatusPUBLIC

Content hashes

Canonical textf38e5e3f52ba3df8eb876777b5048f6b66d612599c393f0a118f1ec3362939dc
Markdowna122a55b762185770efb6c7eca9852911a9391c6b23bee66025314631adc1a32
PDF
Publication pagebb34c13a7cead77d3d2728cb6c87dcc7e79bab0d375dac4972a9c2846e374d7b
Manifest6875826b967fa648d8384681e6e6f3fad9f12907b59e362e80e49e90cc087862

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
Signaturelf+MPdQiIvGXdKRqsobIb9otplA+pBC4AHeOWqPUAWqAl3+G0tDpr3Z88TOX+eh1l5fljjLm5fXLdykrJ570Bw==
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

2026-09-17T10:26:15.586750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070440
observed bb34c13a7cead77d3d2728cb6c87dcc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.568781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070440/manifest.json
observed 6875826b967fa648d8384681e6e6f3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.551658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070440/publication.md
observed a122a55b762185770efb6c7eca985291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:15.534574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070440/publication.txt
observed f38e5e3f52ba3df8eb876777b5048f6b...
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.