OpenTechnical

OT-2026-000086913

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000086913) never changes.

Identity and time

Publication numberOT-2026-000086913 · never reused
Internal UUID01a0ae9a-80a5-7b9c-93d1-1c9c9ef4932d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086913
StatusPUBLIC

Content hashes

Canonical text52ac219e10da7baa25000f30734db3b4c20868d3266a4235ffbfbcd857fdad4a
Markdown5e84266b52158b382c393a2156fa9ac42584834bd6cf1ba49562adbf93cdb653
PDF
Publication page7523b613c0d0e76b688b2d999cab00ed182086a13a9e079369ddfa376c261806
Manifestf6bbe5060af2902ea680fd2fa347e314d192ff30e7df008d8e4f6eca6593f6e2

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
SignatureI8dVS+UQ6clTgujLr8cJXL+5bQKsAv3FLn7DkHwq9HN2bxQLiAl+eyeB+OBd0NCC6UHobJzlwUD8rl3vL7m0Ag==
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

2026-09-17T09:51:46.051697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086913
observed 7523b613c0d0e76b688b2d999cab00ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.035068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086913/manifest.json
observed f6bbe5060af2902ea680fd2fa347e314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.019396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086913/publication.md
observed 5e84266b52158b382c393a2156fa9ac4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:46.001293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086913/publication.txt
observed 52ac219e10da7baa25000f30734db3b4...
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.