OpenTechnical

OT-2026-000081764

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081764) never changes.

Identity and time

Publication numberOT-2026-000081764 · never reused
Internal UUID01a0ae97-0f74-7285-900a-49c6eca12a34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081764
StatusPUBLIC

Content hashes

Canonical text10a1b8066768876342873e47705c5418da36bccce58d6b4b14e8f655287a4162
Markdown48a4d29af0c9921563b0e1abf6c59bfc4aea875f4f4ea1c0011b669f277d6b8a
PDF
Publication pagee487eab00d0d3c754cd4c043829b0732f1868c5528ec49f0d0e3d8f60145425e
Manifestafc6d0225e519ffe39530ea1d2484d583c6b1664513c6ab20660c26fc8a09dd1

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
SignatureHJyxeVH8qv4SrVH5EksfBIOtO5vBDHyYO5TvAHUG28FciUTxewsjN0s7gvOD2uY2MDSatoUAiWYZhTFP9TBMCg==
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

2026-09-17T09:59:51.316561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081764
observed e487eab00d0d3c754cd4c043829b0732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.297700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081764/manifest.json
observed afc6d0225e519ffe39530ea1d2484d58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.279835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081764/publication.md
observed 48a4d29af0c9921563b0e1abf6c59bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.262325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081764/publication.txt
observed 10a1b8066768876342873e47705c5418...
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.