OpenTechnical

OT-2026-000029016

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000029016) never changes.

Identity and time

Publication numberOT-2026-000029016 · never reused
Internal UUID01a0ae73-2a9e-7935-97c1-2e9662c25179 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029016
StatusPUBLIC

Content hashes

Canonical text289b866c8aa384c35eea3da135b29e61d470f0a8362211bca4202bcaba41b8a7
Markdownad2f265deef5843f1f43c92c88e4b09707dcf90b171f9a94a4eaea803d3ecc76
PDF
Publication page2c76723d196d6897578d7080ed0ffd31aa44bee7b4308dc143bc7f9bf774c4f2
Manifestd64d388b904ad0072c2deecf3480de2613b62fb46611a7e6d9dba6c2b56ddefc

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
Signature7aJcfad6ooJVUsIpvXdNqxzsXZt1LKYnQPel/lNRFKu8jtDXlLiq8xxzlwxSU3iCae1e6fTCRHcHHajXgNMSCQ==
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

2026-09-17T08:20:35.695927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029016
observed 2c76723d196d6897578d7080ed0ffd31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.678842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029016/manifest.json
observed d64d388b904ad0072c2deecf3480de26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.529227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029016/publication.md
observed ad2f265deef5843f1f43c92c88e4b097...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:35.508621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029016/publication.txt
observed 289b866c8aa384c35eea3da135b29e61...
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.