OpenTechnical

OT-2026-000038300

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000038300) never changes.

Identity and time

Publication numberOT-2026-000038300 · never reused
Internal UUID01a0ae78-2d51-722f-ad19-426c717ac4ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038300
StatusPUBLIC

Content hashes

Canonical text2eb15879ec01c7b7e75ef2dcfbfc268f72515ba0436fd3b7ffa5cc7941a5595a
Markdown228047945abacda70b2e6fbe257adbf5506453183bc3b10460a3cf996de551ec
PDF
Publication page61b633cbc5bbed0138580719ca8c76c8009214578d1ccdf07c8bfd7f3069a1d5
Manifest2c7cd3f89574ec15080c95d38671a30ffdb21aded8e24e0c6810f5c53a6ba5f4

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
SignatureEBO9XkxrcUqJm6AH1BBZsuqyJEyV4IonqrSXF0sBoKh7vU1QO7WYa9N0GMUsedlyuYwK6Yz4aE23Bz4DbzMOBw==
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

2026-09-17T11:22:28.271444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038300
observed 61b633cbc5bbed0138580719ca8c76c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:28.253094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038300/manifest.json
observed 2c7cd3f89574ec15080c95d38671a30f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:28.236577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038300/publication.md
observed 228047945abacda70b2e6fbe257adbf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:28.218417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038300/publication.txt
observed 2eb15879ec01c7b7e75ef2dcfbfc268f...
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.