OpenTechnical

OT-2026-000025403

Publication integrity record

Foam pad vacuum gripper, two zone face, six 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-2026-000025403) never changes.

Identity and time

Publication numberOT-2026-000025403 · never reused
Internal UUID01a0ae71-5fa7-7d43-b691-4ff60445296c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025403
StatusPUBLIC

Content hashes

Canonical textcf719798926fe1df594a165d1dfe09c867eee6bf1a200e98ef82cf5247eae670
Markdown5a38c38e28c7f516673a4ddd7792104ad6011044c8240022f3bc0ad358a57df6
PDF
Publication page7d70521f99501362d9701ad3b3643f10a78f65f14e1934d674974477251697b4
Manifestd2d8c23d538ad4b40cfb937d695a2889cce158080130583d357ab51f4caea040

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
SignatureBg8l2NvCSzxR7vYjI74T4uL7e+eJ22vkXxu5y//twgsipSWW0fkE37QO7NxyZAqZnxLTkVqGKBUrl8HLT3tJBw==
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

2026-09-17T11:47:28.340502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025403
observed 7d70521f99501362d9701ad3b3643f10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.323630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025403/manifest.json
observed d2d8c23d538ad4b40cfb937d695a2889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.304400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025403/publication.md
observed 5a38c38e28c7f516673a4ddd7792104a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:28.286480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025403/publication.txt
observed cf719798926fe1df594a165d1dfe09c8...
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.