OpenTechnical

OT-2026-000027858

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000027858) never changes.

Identity and time

Publication numberOT-2026-000027858 · never reused
Internal UUID01a0ae72-a4a5-7399-a87b-d7a55db65ff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027858
StatusPUBLIC

Content hashes

Canonical textad0c189edba38d23e6395f6970d69880c324a7449b6a870d3b40ab042c986ba5
Markdown07abbd11b46646e78fd912b0a7926364de584af1fdcd51f62f793f70ea145672
PDF
Publication page61c6cded63b7a0328a5a1db8042ce46b51fb0ea2cdb2b719f1f792f074f9ea8e
Manifestf1bc764c4e382cd38063831b8d33dc8406db383ab71f1ba11fbc19b6ed5a1461

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
SignaturefjopugYCui9Mf74t65VVwDOBEthOk5NQnbLbxvEYnb+SkrfDNY48J/2UAf71xY9PawrFhtBnlfbpY53YLBLMBg==
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

2026-09-17T11:42:00.194994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027858
observed 61c6cded63b7a0328a5a1db8042ce46b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.175996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027858/manifest.json
observed f1bc764c4e382cd38063831b8d33dc84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.154294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027858/publication.md
observed 07abbd11b46646e78fd912b0a7926364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.077693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027858/publication.txt
observed ad0c189edba38d23e6395f6970d69880...
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.