OpenTechnical

OT-2026-000026930

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000026930) never changes.

Identity and time

Publication numberOT-2026-000026930 · never reused
Internal UUID01a0ae72-3452-7995-bb7e-4ff8a7228c78 · 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-2026-000026930
StatusPUBLIC

Content hashes

Canonical textaf647354e5870ffdadc51cc629592dd49654d05c3d7e0bb025a3c6cbf6a1ab73
Markdownebf23ccdc3b6315eac5f2ec0ec05c41aa7f0d207f26cc7bd809fcec2f774d701
PDF
Publication page8395bc15127021417a671579c8c33e00dcea856402fdace54b04cc45c9e900fb
Manifest6689752c375efc4f9ca5218bc46fa6a6f6bc331dea1a66823d32d82580f314b8

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
SignatureLWEYRzfpmoDU7CeytgHX0AXOF9iK6WbIA2hFfam0tpmFBaDVSmGUuiKr9kWzors8KZsviURgE7SIQZ1uqpNdCg==
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

2026-09-17T11:43:32.809617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026930
observed 8395bc15127021417a671579c8c33e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.791954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026930/manifest.json
observed 6689752c375efc4f9ca5218bc46fa6a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.775119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026930/publication.md
observed ebf23ccdc3b6315eac5f2ec0ec05c41a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.758052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026930/publication.txt
observed af647354e5870ffdadc51cc629592dd4...
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.