OpenTechnical

OT-2026-000059721

Publication integrity record

Three cup vacuum gripper, three outlet manifold, 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-2026-000059721) never changes.

Identity and time

Publication numberOT-2026-000059721 · never reused
Internal UUID01a0ae89-ec25-7b3a-9d3d-e88807ea445d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059721
StatusPUBLIC

Content hashes

Canonical texte60700a0d27d0c1d6f4649e499040848f705f776f73c637288e4e18af337df8e
Markdowna152b1f141ca55c2f79a214210d0dd44491f0fb09cee35498403efc9b4fb87ad
PDF
Publication page1f966cf64cc7fa48f84f053ecdd8f99fbc2e188f44bb2af81ad4841073fe704e
Manifestf0d3acaf93b6dbf7877ec845257ee9140307b1ebc7960b375634d195a976e068

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
SignatureOQHGo/es6Yp6hGP4It+naIhL+5adWzhscMOHQMh+atBDs4Xg+uZCzpc1smDcSMwbLRlRiomroTi4sTqAdiHaAA==
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

2026-09-17T10:44:26.237952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059721
observed 1f966cf64cc7fa48f84f053ecdd8f99f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:26.219747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059721/manifest.json
observed f0d3acaf93b6dbf7877ec845257ee914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:26.201186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059721/publication.md
observed a152b1f141ca55c2f79a214210d0dd44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:26.183136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059721/publication.txt
observed e60700a0d27d0c1d6f4649e499040848...
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.