OpenTechnical

OT-2026-000053051

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, 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-2026-000053051) never changes.

Identity and time

Publication numberOT-2026-000053051 · never reused
Internal UUID01a0ae84-a431-7443-9dad-bd5416a33a1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053051
StatusPUBLIC

Content hashes

Canonical textb4ab95b845790cadb3fb747922c225502b21a5c886b16eeedf220c527bd7905c
Markdownc5f63297cfe4ff3a169a1cf92a691250b37d724ee0bfbe6bfd05aad790d09c0d
PDF
Publication page672853bf633835d3c0af57dcb3b8c9729be84a3c5b442845c0ef860c86d5955f
Manifest7e4c4deef0e76cc93c367123c3f1aaee51cd43d2deaf7429d97ca15103292000

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
SignatureGKn0wHhBO9Sh3RPKNHR2zZZAVeYKCd3F4KJMbTPBwy+rqMqst11UTMcNNECDftLukpngwEXsXUJPsSZOxbb/AQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:45.723977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053051
observed 672853bf633835d3c0af57dcb3b8c972...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.705726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053051/manifest.json
observed 7e4c4deef0e76cc93c367123c3f1aaee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.684938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053051/publication.md
observed c5f63297cfe4ff3a169a1cf92a691250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:45.666104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053051/publication.txt
observed b4ab95b845790cadb3fb747922c22550...
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.