OpenTechnical

OT-2026-000026830

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026830) never changes.

Identity and time

Publication numberOT-2026-000026830 · never reused
Internal UUID01a0ae72-3452-710f-9c29-2eb1a6ca93d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026830
StatusPUBLIC

Content hashes

Canonical textcafc32e6d0c8ccbb3914aa91566abc6abbf3a8fe7415f89f8a667da980981fd7
Markdown1d6b24b462788c9103f1a889cbe06ac184ca5db933fe80a6040e1a5653720843
PDF
Publication page14ca00e01d0a85fec20b660ccfb1b6d4dcfd72afe75a39af1996c018e254cc39
Manifest542ddbe54a0b2c0a2618af045ecbe6679e1c19b91b778d75f9ffe2c2561e1c78

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
SignaturehGh24BjA7SDODMdvAC1KsdYD5WKF0eu40aRCUbOi5Wo94+w5m8nXT2FpQr76d39uzKMduP4KShYfc+2Zpg8KBg==
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

2026-09-17T11:43:24.862683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026830
observed 14ca00e01d0a85fec20b660ccfb1b6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.845311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026830/manifest.json
observed 542ddbe54a0b2c0a2618af045ecbe667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.826302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026830/publication.md
observed 1d6b24b462788c9103f1a889cbe06ac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.799016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026830/publication.txt
observed cafc32e6d0c8ccbb3914aa91566abc6a...
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.