OpenTechnical

OT-2026-000025678

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025678) never changes.

Identity and time

Publication numberOT-2026-000025678 · never reused
Internal UUID01a0ae71-9bc9-7b48-9659-ba47fec644bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025678
StatusPUBLIC

Content hashes

Canonical text68dee73014454ad18fefc61fc0b50208372aab43070ffb8963c1a7267ea723e3
Markdowna8a695630c0aa62aa04e7317144f7ef433d3d9995e1431532249c0421fbd12bc
PDF
Publication pagebb744668adbbe7d96d7563e570d603c981ecf5960602d48973cfcf39fa33eae6
Manifestd17ce4ec7fdcb75faf7941cf75d1bf1439efbe0568919f8bc33b02bc258f3b3c

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
SignatureHv/weY70BrnqIQOUcA6GZK6R+BXR0T9/81h/Z2GH+6eSXpZVfNc5B5kyPxTJxsnJmawKoUGaUGf99+WJ8+tpDg==
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

2026-09-17T11:46:53.305873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025678
observed bb744668adbbe7d96d7563e570d603c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.286726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025678/manifest.json
observed d17ce4ec7fdcb75faf7941cf75d1bf14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.270051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025678/publication.md
observed a8a695630c0aa62aa04e7317144f7ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:53.253165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025678/publication.txt
observed 68dee73014454ad18fefc61fc0b50208...
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.