OpenTechnical

OT-2026-000061062

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000061062) never changes.

Identity and time

Publication numberOT-2026-000061062 · never reused
Internal UUID01a0ae8b-137d-7441-9208-c5f5199e7adc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061062
StatusPUBLIC

Content hashes

Canonical textdd452f93b55e040996196fcc8d951b5c308ab5a94c581bd48f16dfc201685f97
Markdownc7f393cf7bca02004d990f401fe3e6e4246042fdc3371f495ed65d7f7109e87f
PDF
Publication pageffe543e28f6c0e07f23dd7f59838e5c0d32f359d22dbc48f029b830127daafa6
Manifest68053ca1cbdda03ce3abe4d7e300eea2b4b04d446d48884963123d6470ea65a4

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
SignaturesUdqRe7z5sT5IawWOOe1tWJn29QfKLcajOWFlDyJOW3oOcf7jQDsQRQYXxLVUtxm0tUAzEEueN69MlIHu0vEBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:25.185431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061062
observed ffe543e28f6c0e07f23dd7f59838e5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.167045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061062/manifest.json
observed 68053ca1cbdda03ce3abe4d7e300eea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.147872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061062/publication.md
observed c7f393cf7bca02004d990f401fe3e6e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:25.127823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061062/publication.txt
observed dd452f93b55e040996196fcc8d951b5c...
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.