OpenTechnical

OT-2026-000084889

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000084889) never changes.

Identity and time

Publication numberOT-2026-000084889 · never reused
Internal UUID01a0ae99-43b4-7356-8a96-4df25b30c7e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084889
StatusPUBLIC

Content hashes

Canonical textf8e662df07ea0f3572128dd34ca8a3b3dca07fd3e2bdcae7e10294ec7670c0f0
Markdownf7f31f632e1de147dece077de4b31b54d18ec69da9b573d8fcfeecffae9bacc1
PDF
Publication page7db2f5f695afe13c98df936b55e00f64d132f70d0fda3dcb3641893fecc114ab
Manifest0493ea3f938bf12286805be5dd19291ec58a5c77620b0cc0d4ab7e193d0e7d03

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
SignaturejIpMG6B7ef3/8v6UBKneOkMTBJbLObuXQZdE1Ry64N5E4x3WCanNeDLT9fKrQC9vZcEfDS/R5Mum/Pv9kfwkCA==
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

2026-09-17T09:54:51.809833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084889
observed 7db2f5f695afe13c98df936b55e00f64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.793360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084889/manifest.json
observed 0493ea3f938bf12286805be5dd19291e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.775624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084889/publication.md
observed f7f31f632e1de147dece077de4b31b54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:51.755339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084889/publication.txt
observed f8e662df07ea0f3572128dd34ca8a3b3...
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.