OpenTechnical

OT-2026-000037816

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000037816) never changes.

Identity and time

Publication numberOT-2026-000037816 · never reused
Internal UUID01a0ae77-f889-7006-b888-bd4fffabc494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037816
StatusPUBLIC

Content hashes

Canonical text1b3de94dd406173df7be763c5b9ad7a155f79a24efcf096a009a2a5d361dafb9
Markdown33633486305c6e7beb79be9608b9be3722429d1f56d3e7b5035597d3c505093a
PDF
Publication page0f493fc2ae409470cb0aeeb6e575645ab8798370a731c0c1da1b8eb3ce3ff74d
Manifest3586d60bffedb6811d5b044712d594c2e0002eb9a92f05d9f487a1f2895f81c9

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
SignatureR2lxu0uuT/pKdr+4P882KgOoiM93ULEUAt1MNKv0RNcOQEa0LlxGIO5ChakFfK9mSCaPBUvOPYHc3Fy2okGBDA==
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

2026-09-17T11:23:04.029625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037816
observed 0f493fc2ae409470cb0aeeb6e575645a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:04.010064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037816/manifest.json
observed 3586d60bffedb6811d5b044712d594c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.990490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037816/publication.md
observed 33633486305c6e7beb79be9608b9be37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.973082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037816/publication.txt
observed 1b3de94dd406173df7be763c5b9ad7a1...
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