OpenTechnical

OT-2026-000013142

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000013142) never changes.

Identity and time

Publication numberOT-2026-000013142 · never reused
Internal UUID01a0ae6d-6fc8-7397-ae66-71447381c805 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013142
StatusPUBLIC

Content hashes

Canonical textb600717de07510cb2e3ef5c4eefe9a63c498ae3af5b50a4c0142cc28393edc27
Markdown62fac787482d4642a776ced2402b18d6734ed89b4a70f5ebcecf76f029958a96
PDF
Publication page76c533a40c168c3a3ebb1870482ce7937e8d9b969c2a5c27fa9b3d13553dbdeb
Manifest9041245979c25a71b3b6216ef949d9449cb9078ee34f9a17679a5c34878e78ea

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
SignatureMugyrO3Sw3k2JQtvfuU2HgTUwY2GP2ogo91DzfbJqbEBC95sTb+/p1waXMfbfGHVbsQoVZtPohEpAAIhyKgqCQ==
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

2026-09-17T12:09:30.339041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013142
observed 76c533a40c168c3a3ebb1870482ce793...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.319675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013142/manifest.json
observed 9041245979c25a71b3b6216ef949d944...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.299653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013142/publication.md
observed 62fac787482d4642a776ced2402b18d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:30.278696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013142/publication.txt
observed b600717de07510cb2e3ef5c4eefe9a63...
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.