OpenTechnical

OT-2026-000043096

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, pulsed blow-off after 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-2026-000043096) never changes.

Identity and time

Publication numberOT-2026-000043096 · never reused
Internal UUID01a0ae7b-327a-722c-9384-3dd27df8ab0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043096
StatusPUBLIC

Content hashes

Canonical text4449ffbe6a89bf7c2dda46588e5817f4a02f16848f6d5a4897219a7893620cac
Markdownef53af3ace9be2db6916522a07dc9fa8e66397bcd6e5561ff03b7899260356cb
PDF
Publication pagec0c836b998265bd609cc3dc7e72a373686c472d42fc895a52ee74781ea1a5760
Manifest93c35d47e27a753afb3a62d682a3f0d7efbef2709bd6f0381001a3da6b453263

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
SignatureEEMLZkcK1TwzlOiielJjISZmWoGl6QDBhWEw6rQbt7rtC+RJw6DYkEFG9k8Jy49x26tQkCy2RH9rkJY+cGeBAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:30.980280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043096
observed c0c836b998265bd609cc3dc7e72a3736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:30.960938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043096/manifest.json
observed 93c35d47e27a753afb3a62d682a3f0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:30.941853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043096/publication.md
observed ef53af3ace9be2db6916522a07dc9fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:30.923810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043096/publication.txt
observed 4449ffbe6a89bf7c2dda46588e5817f4...
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.