OpenTechnical

OT-2026-000007403

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three outlet manifold, two stage ejector, plastic cups

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-2026-000007403) never changes.

Identity and time

Publication numberOT-2026-000007403 · never reused
Internal UUID01a0a97d-840f-7a75-97fb-2f6322a5415e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:50.449713Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007403
StatusPUBLIC

Content hashes

Canonical text1f18ae7290d604a3a8f4b1532300ada03fba0b273a45ee891820e246e8dc75d4
Markdown5a605fdc7f9bc0b39369d43d32608ec40085ceb00c98f4cf1f7586bf92c3d16b
PDF
Publication page9042690221b34aec60f99e943b40538ce107f1abb731994890deae8987a9bdcf
Manifest43703f7cfdbbe882f7407c594c619089bd7f9cb21bf8b9dbacac2de31fc84a20

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
SignatureFg0p3YGJh5tTV0XI74o6dZui9taM5GnJFoKKm/kMFVJPKDVqqyoXdOqFdeGd5JJLebMxTZencvoeYhc2trCeDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:07.346899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007403
observed 9042690221b34aec60f99e943b40538c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.332508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007403/manifest.json
observed 43703f7cfdbbe882f7407c594c619089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.319655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007403/publication.md
observed 5a605fdc7f9bc0b39369d43d32608ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.306512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007403/publication.txt
observed 1f18ae7290d604a3a8f4b1532300ada0...
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.