OpenTechnical

OT-2026-000014305

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, pulsed 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-2026-000014305) never changes.

Identity and time

Publication numberOT-2026-000014305 · never reused
Internal UUID01a0ae6d-b279-71de-a6cf-476b3d199d9e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014305
StatusPUBLIC

Content hashes

Canonical textf153de2739ad6602bfb1fb1d72a67c8d57fa8f3125027be79103525ebd06d5cb
Markdown89f7e925e6813e1bb37fb0cc654a1b19e38335c68d4a24794be50a39ad824e7b
PDF
Publication page11b000ca1fe4208b6d7c56df2dd45a8088e314cd792071b993e54ea65d42001f
Manifest04e16fcd89d0aedd4b8d67dd631da90019edea9609c116dd4c6f78984a0a78ae

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
SignatureCwcL/eJmacmfNUalpUcnz6BIt1kaHiyWorzbLRFoCLZ8eRgg7jT4EvyC6P+eSfR/mPKrM9KliELpfc3J/BSOAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:07:31.666247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014305
observed 11b000ca1fe4208b6d7c56df2dd45a80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.646141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014305/manifest.json
observed 04e16fcd89d0aedd4b8d67dd631da900...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.625776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014305/publication.md
observed 89f7e925e6813e1bb37fb0cc654a1b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.607757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014305/publication.txt
observed f153de2739ad6602bfb1fb1d72a67c8d...
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.