OpenTechnical

OT-2026-000039063

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000039063) never changes.

Identity and time

Publication numberOT-2026-000039063 · never reused
Internal UUID01a0ae78-9672-7c25-8871-6b07b6cdb8a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039063
StatusPUBLIC

Content hashes

Canonical text56220b906b71205896019bce3474b9364f3f273540645a67dbbaa19145750bed
Markdown5e65aa1ff49bfa440175e4c6dc126fc88642e5a658d8ce24080db5c8be134503
PDF
Publication page44c1e18d00aeedcab526440f04f57ead910cc8b2684b2b50e17fa8942169667e
Manifestf183ed45bc114584b19764122929c71bc427ab9025d5370648cb85fd8cda632f

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
SignatureEzf2shXxgTjuIjod6jjWiJvZiVMaAcTW4PEqoC/WAfgVB4xOqMDFyjBOO3/sUJeX2ZWOMxuB/BRoZJpS4PgQCA==
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

2026-09-17T11:20:32.127773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039063
observed 44c1e18d00aeedcab526440f04f57ead...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.107409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039063/manifest.json
observed f183ed45bc114584b19764122929c71b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.085520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039063/publication.md
observed 5e65aa1ff49bfa440175e4c6dc126fc8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.064457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039063/publication.txt
observed 56220b906b71205896019bce3474b936...
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.