OpenTechnical

OT-2026-000019090

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000019090) never changes.

Identity and time

Publication numberOT-2026-000019090 · never reused
Internal UUID01a0ae6e-d523-735e-8a09-5a71f549f7fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019090
StatusPUBLIC

Content hashes

Canonical textbbe926b537c4fbe5d00b897dfeb9a2ef64e0f7c72b0d60810921c4585b051ed8
Markdown4894c69c1ace76ec326717e297dd9655186e89d1c0212fa952f7c3203422a09f
PDF
Publication paged52a33b1f547abf5e492ff8b5aae103cc5d69c75285ed601734a6345b6ee38cb
Manifest0b895084a125cb476f9ebe01800fb93daa03f92dec7076966cb164100439ce38

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
SignatureNdClopWz7e16mTpw2t4XHB2HcCtC1bWI2lyq3bLIygS8fvIHhJ9jfeplwarWyfBTmYw1uCAvMInLj4fD0lt/Dw==
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

2026-09-17T11:59:47.892888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019090
observed d52a33b1f547abf5e492ff8b5aae103c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.875195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019090/manifest.json
observed 0b895084a125cb476f9ebe01800fb93d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.857541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019090/publication.md
observed 4894c69c1ace76ec326717e297dd9655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:47.840875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019090/publication.txt
observed bbe926b537c4fbe5d00b897dfeb9a2ef...
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.