OpenTechnical

OT-2026-000088597

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000088597) never changes.

Identity and time

Publication numberOT-2026-000088597 · never reused
Internal UUID01a0ae9b-8f0f-736c-a6d1-4057bb3304e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088597
StatusPUBLIC

Content hashes

Canonical text7286103727f1ea57e26fb90eee1f3705d2e80aa88067f8c08c37e8f8648e76a5
Markdown30f31f768048fdc4e4c9f32946892afa2fc9e430854c1552740b067342951596
PDF
Publication pagead40d2f41bcadfb937c2a2e854f7412cc81d79b4125e8096c3cb3b8421fc5bb5
Manifest039091849b8a6496cf76da45e5608ed78380866f7ecc4c76dbb5a0a091ff9556

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
SignatureXxHxvVcKMKQfGUgHw3Eyay/kEWe3PK0DA6aG3sqlOHN/TnJmbC1uITe46cB9umSk5Yty4geg2LzVxEJJo3VoAQ==
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

2026-09-17T09:47:47.842476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088597
observed ad40d2f41bcadfb937c2a2e854f7412c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.824122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088597/manifest.json
observed 039091849b8a6496cf76da45e5608ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.807473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088597/publication.md
observed 30f31f768048fdc4e4c9f32946892afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:47.790080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088597/publication.txt
observed 7286103727f1ea57e26fb90eee1f3705...
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.