OpenTechnical

OT-2026-000075525

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075525) never changes.

Identity and time

Publication numberOT-2026-000075525 · never reused
Internal UUID01a0ae93-f202-7f79-aedb-c1c2b02e9460 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075525
StatusPUBLIC

Content hashes

Canonical text3c09fc4491d7bee46a38741497636742b4ac0ac89ea193e8c4b4f70cb307c39f
Markdowna92515d1137ec57f7562c639896a77bb79b33ed9a5f8ccdb6ca40b898e047188
PDF
Publication page82e5212e9297b8a15407f8f83962a696fb0032e2110a1e9977858a4ebbca47a3
Manifestbfa3557999d080db170a07e5132db0216db7e7b6a37094e7747e5109f8ce43a9

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
SignatureWhy3+p6e84cUvnes6vnWgluu//eJGtri3lZJOSsED4/Mho3BNPD6Otp5ZED8SbrXFVhNCz1jF9xVSwtc6LD1Dw==
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

2026-09-17T10:17:59.994938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075525
observed 82e5212e9297b8a15407f8f83962a696...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.974742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075525/manifest.json
observed bfa3557999d080db170a07e5132db021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.956232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075525/publication.md
observed a92515d1137ec57f7562c639896a77bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:59.815370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075525/publication.txt
observed 3c09fc4491d7bee46a38741497636742...
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.