OpenTechnical

OT-2026-000023331

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000023331) never changes.

Identity and time

Publication numberOT-2026-000023331 · never reused
Internal UUID01a0ae70-7268-76d9-8fb1-96311d4475c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023331
StatusPUBLIC

Content hashes

Canonical text88a032a373f6084fcd0e3377a575e3b344c53937d15f0ce76aacf04edd2bcea5
Markdown47ee1602e4481ddf7cc5237d4671514a13fe48f77dc21234f5210fceaa2b681f
PDF
Publication page68301f1fd3ccf4a94155b89424e14959fa5147f52218f6156c969bd545870955
Manifestd2fe6dd866a72b5a8ced2e5687bf0b3bb96c80a5f333fa3d4922d987350724ea

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
Signature8v7JyYkd1aJxaHVfSRmxGq/Atfi/k1wQAkAwmCulTlr0IsRt3d6OmZ1WcSPujzspmFaw9Q7LxYlbH6mUVp/pCQ==
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

2026-09-17T11:51:25.194492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023331
observed 68301f1fd3ccf4a94155b89424e14959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.178643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023331/manifest.json
observed d2fe6dd866a72b5a8ced2e5687bf0b3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.160823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023331/publication.md
observed 47ee1602e4481ddf7cc5237d4671514a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:25.142146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023331/publication.txt
observed 88a032a373f6084fcd0e3377a575e3b3...
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.