OpenTechnical

OT-2026-000091577

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091577) never changes.

Identity and time

Publication numberOT-2026-000091577 · never reused
Internal UUID01a0ae9c-f16e-7173-8cce-a8070eed4120 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091577
StatusPUBLIC

Content hashes

Canonical textebfe18e03819f5ac5b5981f01a7838ccc065e227aaac6c1329d7e0607a5db3ac
Markdown435c0b1ad4da3e01c149ac619232ab25a9e292ac63a382f288146a1c5b2962fe
PDF
Publication page8fb746c1564abfecba02ad6c7ebb46a00f4f2546fa40e9c4a0e99697566462eb
Manifestc04b5ca21af2167389809bb79a07d15b3f09815ce95729731a57074cea765b97

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
SignatureM81lUeHykkDeozqisr8c36/zo83j6Z9Zasp/Ui+dwESdGukm/Rxhr99sQYMRFaUf1F/qZ+K9PhdEGAaOIEABAA==
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

2026-09-17T09:43:50.959573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091577
observed 8fb746c1564abfecba02ad6c7ebb46a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.943185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091577/manifest.json
observed c04b5ca21af2167389809bb79a07d15b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.927920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091577/publication.md
observed 435c0b1ad4da3e01c149ac619232ab25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:50.911362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091577/publication.txt
observed ebfe18e03819f5ac5b5981f01a7838cc...
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.