OpenTechnical

OT-2026-000059705

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000059705) never changes.

Identity and time

Publication numberOT-2026-000059705 · never reused
Internal UUID01a0ae89-ec24-7f1b-8fb0-634797b7cc75 · 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-2026-000059705
StatusPUBLIC

Content hashes

Canonical text54cd19dc067a7e797c588cf8c811327a65bda50e29e4bf54ae913ba2cee6d89a
Markdowna8695bd215b7c1d157488a3116a5358314358e696dc67d0bb5c1204cd054fa2f
PDF
Publication paged373b6a1d719bbfb9aa80f890a9360ee6574ec54e8cc46ab36527ea1a5ebbfae
Manifest94a436bb4ccba89cdb172d575cd89874d66d29b7a6c03b064c896aeeb97bda7d

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
SignaturelMSIKxjjapyJpAXk/GchzdIG3vYSZ8kGSfoaLgdjDDr2tKW71M3tk38WlTzMp/9ChFCdpQ1hVCy7ilDwPNkmBQ==
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

2026-09-17T10:44:25.016942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059705
observed d373b6a1d719bbfb9aa80f890a9360ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.997591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059705/manifest.json
observed 94a436bb4ccba89cdb172d575cd89874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.975177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059705/publication.md
observed a8695bd215b7c1d157488a3116a53583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:24.955540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059705/publication.txt
observed 54cd19dc067a7e797c588cf8c811327a...
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.