OpenTechnical

OT-2026-000084191

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084191) never changes.

Identity and time

Publication numberOT-2026-000084191 · never reused
Internal UUID01a0ae98-5b60-7c41-ae0d-8fc8ee7dfff8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084191
StatusPUBLIC

Content hashes

Canonical textb84c9006681543237c27a9d920a8daa559216d3a8aab6cb5a17abdbcd9568a3f
Markdownf3465740fe4c7c2228977d6f1eff670c595957bbeb984d4077c50e49537707d6
PDF
Publication page987f825f692a19cc7a48e3bdd719b0b3bb72d72cf0fa933eb3f366ac784e8247
Manifeste882aeeca0f60f74c83e88ddd6843d7506b6c31574be5056803f5344514e21be

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
Signaturewptdj/Ul1DFOx/aRmL/3ivgq1JH1alNhwwkaxgOgtavu4a313eue9V0DKUAa49FnPAXpPRhT0kW2oIbtRHA7CQ==
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

2026-09-17T09:55:58.241544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084191
observed 987f825f692a19cc7a48e3bdd719b0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.223836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084191/manifest.json
observed e882aeeca0f60f74c83e88ddd6843d75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.204816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084191/publication.md
observed f3465740fe4c7c2228977d6f1eff670c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.186952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084191/publication.txt
observed b84c9006681543237c27a9d920a8daa5...
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.