OpenTechnical

OT-2026-000048897

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000048897) never changes.

Identity and time

Publication numberOT-2026-000048897 · never reused
Internal UUID01a0ae81-134b-7cc4-bf5d-465dc064c406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048897
StatusPUBLIC

Content hashes

Canonical text3ee60205861ce4e6cbdc02b4c6cc95129ebbf2bf2c9d002b99e2c9f1f83b032c
Markdowncfd0d0b86051e4cc9df73efeeaeaa09d84202814fdd586c87fe23675a14a0011
PDF
Publication page22f41da16bf61be66915a67537a615ce9578cec779efb584bd52573d3e6cdfa9
Manifest1caa836b8c85a2509e693768aa76d66c48da405410b30290a412c00a501bd471

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
SignatureywH/WtCx4biuVySHPiQ6ScBC9ByA6f4wZK2BpCdq7T2IaIyWVm4TlACw61zhHRqx4d2+QSgKYNpcWH9bmZVsDw==
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

2026-09-17T11:03:03.770081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048897
observed 22f41da16bf61be66915a67537a615ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.752275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048897/manifest.json
observed 1caa836b8c85a2509e693768aa76d66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.736083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048897/publication.md
observed cfd0d0b86051e4cc9df73efeeaeaa09d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:03.717733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048897/publication.txt
observed 3ee60205861ce4e6cbdc02b4c6cc9512...
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.