OpenTechnical

OT-2026-000022801

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000022801) never changes.

Identity and time

Publication numberOT-2026-000022801 · never reused
Internal UUID01a0ae70-46ea-7e4c-b57a-e99981cd3260 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022801
StatusPUBLIC

Content hashes

Canonical text3839142c426fd9e31a7e67fe39fbbf9a0b403eaa3a16e6f97f1a1b354c9f758a
Markdown307b364c0e1ff118e3372068012785490c644e9f7fed222866628797dd52e744
PDF
Publication page7b8fab8dd18bbf8a8dfc1013a3fe85333bd1b749bed675e719786ab7e03ffa2b
Manifestadca3ea341017822e648f085c49a7e01d0050effb50e02e8fc1643805808075a

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
SignatureXSda+KADdrIgJian8uKAQslToEbiCXTAyC5hkT1wS2xAderlGNonGOwmdVxWC28szJYVNjcO2M5tVasYjJHJDA==
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

2026-09-17T11:52:19.532923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022801
observed 7b8fab8dd18bbf8a8dfc1013a3fe8533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.515826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022801/manifest.json
observed adca3ea341017822e648f085c49a7e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.498078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022801/publication.md
observed 307b364c0e1ff118e337206801278549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:19.481627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022801/publication.txt
observed 3839142c426fd9e31a7e67fe39fbbf9a...
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.