OpenTechnical

OT-2026-000088445

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, pump fed, supply line pressure sensor, 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-2026-000088445) never changes.

Identity and time

Publication numberOT-2026-000088445 · never reused
Internal UUID01a0ae9b-5d27-7b01-bbe9-22df1df35c62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088445
StatusPUBLIC

Content hashes

Canonical textbc89230c7d495ecedb27dfcd779bd61e4767ebd4a69e1091ecb53ebd71074d58
Markdown2bd72169a6c2ff6c84de5fd291d2060d09780ee57c5ffe6d196d0c1d1992e3b6
PDF
Publication page2d83bb34e6a48fde065ec0a429367247dfb9ea2999629262ba98f4de8bfaed20
Manifest4b09877bed67e9e78959d74f401fe1eeb4c5f677a375e6fb9b3c01d6df1273cc

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
Signatureo9tFq5tGiJ4/LkWFFCc4xxSvJe4BVsKWBpuhQDPPbhFlhrPwjtsJocntiM5FAzhjqWkOp7YBpQIlUe4gpm9uAA==
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

2026-09-17T09:48:49.373221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088445
observed 2d83bb34e6a48fde065ec0a429367247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.355455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088445/manifest.json
observed 4b09877bed67e9e78959d74f401fe1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.337151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088445/publication.md
observed 2bd72169a6c2ff6c84de5fd291d2060d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:49.318807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088445/publication.txt
observed bc89230c7d495ecedb27dfcd779bd61e...
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.