OpenTechnical

OT-2026-000044204

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000044204) never changes.

Identity and time

Publication numberOT-2026-000044204 · never reused
Internal UUID01a0ae7b-d67b-70bb-bc83-2f31263f074b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044204
StatusPUBLIC

Content hashes

Canonical text9205e1fb470bbf5fb80185484abe1d7ee817b7a8b323d071abd45631cf4e5da8
Markdown9d1f637dc0b4b4ddb7d9fa5adb68a62d56aeafacaa21bdba91de916e53bb2aa6
PDF
Publication page351542c2017eb63a127ad9672ffefeb773be0671ccaa32a212149edee0ba0df1
Manifestc594c7f3f26aac65ba3df1d7c72d99538a555acb893e169ba8b3b86a3623c4ea

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
SignatureCZdtov6601rl4BWAUkMCR/WBwUXVAa7ufONQfZYnxp/8ea+ovF4N7GILQmjcuJ9tgWW3kdR2WIcQVFSSLnoECA==
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

2026-09-17T11:12:45.422354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044204
observed 351542c2017eb63a127ad9672ffefeb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.402514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044204/manifest.json
observed c594c7f3f26aac65ba3df1d7c72d9953...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.383364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044204/publication.md
observed 9d1f637dc0b4b4ddb7d9fa5adb68a62d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:45.363907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044204/publication.txt
observed 9205e1fb470bbf5fb80185484abe1d7e...
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.