OpenTechnical

OT-2026-000074107

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000074107) never changes.

Identity and time

Publication numberOT-2026-000074107 · never reused
Internal UUID01a0ae93-2b8f-7315-901f-b10b6b0d2cff · 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-2026-000074107
StatusPUBLIC

Content hashes

Canonical text98a3e1be226451b5f9b5e4ff0b40acac2a52f94df1b73b4a8610776104f42144
Markdown5dc93fdcc1e85a7e1aed692113c64cbaf565f0a57486a9e69de961be66aaa9b9
PDF
Publication page0e367784939a3bc0a62bf6036116aefcc3c8b097137a28769c1dd3cc3857cf1b
Manifest00e31699d19a429eda02cd48ed0f71dc9ef2aa006728116b0abffad1f7534675

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
SignaturecKkVPQpepCBL+N5oWKE5Ab1GT6yXBs2MCRbDDe1mBE3YoHJiAv2bNFqyMCecGLkA2uhzbCu0aEXMRKLBKu+MDQ==
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

2026-09-17T10:21:01.148944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074107
observed 0e367784939a3bc0a62bf6036116aefc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.131020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074107/manifest.json
observed 00e31699d19a429eda02cd48ed0f71dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.111597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074107/publication.md
observed 5dc93fdcc1e85a7e1aed692113c64cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:01.091726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074107/publication.txt
observed 98a3e1be226451b5f9b5e4ff0b40acac...
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.