OpenTechnical

OT-2026-000011790

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000011790) never changes.

Identity and time

Publication numberOT-2026-000011790 · never reused
Internal UUID01a0ae6d-1941-725f-9f6e-2d96c2ff9292 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011790
StatusPUBLIC

Content hashes

Canonical textce96ca03974b0d9656b91dd8470ce43d47e3ea004cef5b78e8ae02cc047371cf
Markdown050481a2e9fdf26956976510affc8ce98bf1c7b71f5ca63a3f5bdc391c93bc0f
PDF
Publication pageae35a1006cffa72e495c172d378d947c39861330f543f0d0ceeb8c38de4d9ffe
Manifest781dffce1ad1804cd0366d4f66f74e6b884368ae6506990cbd18cdf64c537d7c

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
SignatureL/qxaQ6PJ3+9lhtD5Ehj3WBShCDP47TqDhGrlkCI4VXQxH5se2urIK2S2A2FoxDiFNA0jy//BUyrHX/oyDFABQ==
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

2026-09-17T12:12:30.744549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011790
observed ae35a1006cffa72e495c172d378d947c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.725654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011790/manifest.json
observed 781dffce1ad1804cd0366d4f66f74e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.706317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011790/publication.md
observed 050481a2e9fdf26956976510affc8ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:30.685317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011790/publication.txt
observed ce96ca03974b0d9656b91dd8470ce43d...
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.