OpenTechnical

OT-2026-000093730

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000093730) never changes.

Identity and time

Publication numberOT-2026-000093730 · never reused
Internal UUID01a0ae9e-508c-78f6-8bbf-80cce8855913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093730
StatusPUBLIC

Content hashes

Canonical text1cf4ab6e180fabe73fe0d2718ff6bd8f9be30fa9cd4df72405bc475db3162b62
Markdownc751ac82ff524874770ac2c070c880f88abdbe335609a0057981088fd99bf812
PDF
Publication page51f47d8977076a3778d3cb9f4ef298e5f9b5659441d78a7af7d64ccd96f053ac
Manifestb24562586e737c224a1456670a47b551cf3db1b106936f3e86ef3beccf939746

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
SignatureAlHteZtHnF6o8TRTSPhiqFgyBjp2cOiYJhv1D+6483t1+sUk4/C8AZXYMJ+W5qkchufkQrjXeD0M/dEf0zgWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:39:48.271997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093730
observed 51f47d8977076a3778d3cb9f4ef298e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:48.252907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093730/manifest.json
observed b24562586e737c224a1456670a47b551...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:48.235595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093730/publication.md
observed c751ac82ff524874770ac2c070c880f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:48.217935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093730/publication.txt
observed 1cf4ab6e180fabe73fe0d2718ff6bd8f...
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.