OpenTechnical

OT-2026-000074029

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074029) never changes.

Identity and time

Publication numberOT-2026-000074029 · never reused
Internal UUID01a0ae93-2b8f-7d16-bf19-4465072fd20a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074029
StatusPUBLIC

Content hashes

Canonical text78fdbea1561f3bed67ba19fd02a4dcc01566ba92742234b059c6f01001ed96fa
Markdown9403d1b0193689bf44a885283872d084f847aa8fc45eefdedc2366a21c3ec7d3
PDF
Publication pagee6112cc6b88ec540298d23d4878d92b0f3f6da80e8728f49b4af1d0fefda37ed
Manifest1221d079d74e3e42ebeab3fda047182fbf2d8e364f4d236b75dc84131a0b26cd

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
SignatureG56K3dwRXLAJLGBK3IMFAL2IHeke3769aHK8Vx0YLep1JRBmgJYXhOmaXQHUQrNp/zUREaAzV3Om+xRoFWdwBg==
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

2026-09-17T10:20:20.705344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074029
observed e6112cc6b88ec540298d23d4878d92b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.682589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074029/manifest.json
observed 1221d079d74e3e42ebeab3fda047182f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.659602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074029/publication.md
observed 9403d1b0193689bf44a885283872d084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:20.637755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074029/publication.txt
observed 78fdbea1561f3bed67ba19fd02a4dcc0...
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.