OpenTechnical

OT-2026-000074025

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, 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-2026-000074025) never changes.

Identity and time

Publication numberOT-2026-000074025 · never reused
Internal UUID01a0ae93-2b8f-7635-8579-9167ecfe3262 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074025
StatusPUBLIC

Content hashes

Canonical text7c972b063ffe15367ca41df4d02160a32d97426c6f91c93c3571452d99a9f337
Markdown9cafa9ff07031a14f4ced26dd65b2794f0c63d6053718b823b0a861dbd01a0c1
PDF
Publication page8219cfc4b46208f934edb690de9d2c5cb246c86b63d946c848ea607aec66c66e
Manifestd26ff7e7663b78f63fb766aedc64745e3cb9d9967aac56a03d215cd13727cee1

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
SignatureGgFefDGlk+JodTkJftFxgZZZ+ZoYUvUvbptJMTHichGTCWLrDjfIP68OGqAzYqidrkmgRiM5dfhi1DwQUcP9DA==
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

2026-09-17T10:20:19.701653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074025
observed 8219cfc4b46208f934edb690de9d2c5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.682096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074025/manifest.json
observed d26ff7e7663b78f63fb766aedc64745e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.661159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074025/publication.md
observed 9cafa9ff07031a14f4ced26dd65b2794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:19.640738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074025/publication.txt
observed 7c972b063ffe15367ca41df4d02160a3...
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.