OpenTechnical

OT-2026-000059228

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000059228) never changes.

Identity and time

Publication numberOT-2026-000059228 · never reused
Internal UUID01a0ae89-8613-760a-be12-353e491f50cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059228
StatusPUBLIC

Content hashes

Canonical textb3656bc3371c2aa9e23844f1947b3078fd52cbad762d40d6db509617f0cf4e9c
Markdown98a393c3c4d4963d7b7d854f5dcb1ed4297c6e57edefcceb9db7ee2e90707c77
PDF
Publication page6a750faa079056a156fa21c1bdd60e00b61d581eb0f6061c096f063a651ebbf8
Manifestfb4694c4866a940dd117f19ebc8e2a4bf5bd2ed080ce45b132f2a1ff64fcd810

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
SignaturelTBIG3diU+bmqRTOuFTJU/VoyRDkrZwFZLV6v5jGsQMCGlA4COY7vLK+vgIcDdGJGEn2k76xfEtG9hxctwxFCw==
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

2026-09-17T10:45:45.715978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059228
observed 6a750faa079056a156fa21c1bdd60e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.698228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059228/manifest.json
observed fb4694c4866a940dd117f19ebc8e2a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.681514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059228/publication.md
observed 98a393c3c4d4963d7b7d854f5dcb1ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:45.664110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059228/publication.txt
observed b3656bc3371c2aa9e23844f1947b3078...
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.