OpenTechnical

OT-2026-000059957

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, vented after set-down

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-2026-000059957) never changes.

Identity and time

Publication numberOT-2026-000059957 · never reused
Internal UUID01a0ae89-ec26-76e7-a7e8-bfd101c697d6 · 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-2026-000059957
StatusPUBLIC

Content hashes

Canonical text93bf4209accb69f001a0f2020268c29dfbefb0c2047f28b4bd10d644e4855df2
Markdown193500856e9273835b23c017954b7e3d91745c77f81d1080ee25ea34ddc43e73
PDF
Publication page3f6e8e2e7fb8a3beb3b03e634bab61293189f51c78002997aeac729573ceb94e
Manifest7d26708657ac81458739712590f62b4432451633f20a2c8914992f8bff1c983b

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
SignatureHOlju8vcVqMqkeIZSicOX7WwaVwFODpNaOvgFIfRgIOhOBIFrPHv5IKJXmFx/VbXEWTuZK7n4aYH8kRgLnaODg==
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

2026-09-17T10:44:44.360319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059957
observed 3f6e8e2e7fb8a3beb3b03e634bab6129...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.342927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059957/manifest.json
observed 7d26708657ac81458739712590f62b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.325475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059957/publication.md
observed 193500856e9273835b23c017954b7e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:44.305862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059957/publication.txt
observed 93bf4209accb69f001a0f2020268c29d...
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.