OpenTechnical

OT-2026-000013794

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000013794) never changes.

Identity and time

Publication numberOT-2026-000013794 · never reused
Internal UUID01a0ae6d-8de9-7e52-ab0e-35a6901d6e36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013794
StatusPUBLIC

Content hashes

Canonical text677d4c86585dea4436fa860b71d7cbfca073c6be5e0cbb3dc987e459b1cd71f3
Markdowna7419ddd35e0c147fc5215588a1973e49d97d911dc5d80656a3fdbc06c5b714a
PDF
Publication page1671d984047b76e77fdf3064fed9eab4c6f77ecaede7bc5819bf7beb4d15f922
Manifest242e427448cb24efa8ae3c9a6fa477b7c9f9bc0ca4f71c05a56caf8b3900c74a

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
Signature8ywPkhveC3xKpk59CkCPlsS2vx6PCXuzUgnZOwtsw4BRH8khvXd8I6mhdbK/OkhQRO1lSU/3km2yMZWe3E6aAw==
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

2026-09-17T12:08:53.012094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013794
observed 1671d984047b76e77fdf3064fed9eab4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.991401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013794/manifest.json
observed 242e427448cb24efa8ae3c9a6fa477b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.969799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013794/publication.md
observed a7419ddd35e0c147fc5215588a1973e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:52.949005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013794/publication.txt
observed 677d4c86585dea4436fa860b71d7cbfc...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent