OpenTechnical

OT-2026-000019844

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000019844) never changes.

Identity and time

Publication numberOT-2026-000019844 · never reused
Internal UUID01a0ae6f-1fb5-796e-a0d8-dc04a91c2563 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019844
StatusPUBLIC

Content hashes

Canonical textadc61d39ca7e8839961110b03438e8646992dd46a39857eff0627747699df391
Markdownff160c5357ef40be36e57e4eb24383e1faf5f5917fc24828951c88b01d042d4f
PDF
Publication page22a4b74923db6c3315418d03cce523f6cffaa2cb5608a652b2a9cb145d3a28ec
Manifest605503a8f66a75122d6175de872566874816371c5aac533959821acba4d335c0

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
SignaturezRZ3/M9keoivMbgs0mAW9QBxmxemIWmGo48DPKdY5C8P7PO06JboD9sc1iH+AJXuShfEgRdOYJQ0bZ37v4NsDA==
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

2026-09-17T11:58:02.431389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019844
observed 22a4b74923db6c3315418d03cce523f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.413550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019844/manifest.json
observed 605503a8f66a75122d6175de87256687...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.396220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019844/publication.md
observed ff160c5357ef40be36e57e4eb24383e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:02.378667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019844/publication.txt
observed adc61d39ca7e8839961110b03438e864...
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.