OpenTechnical

OT-2026-000042361

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, sustained 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-2026-000042361) never changes.

Identity and time

Publication numberOT-2026-000042361 · never reused
Internal UUID01a0ae7a-5d74-751e-bede-34203aee1136 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042361
StatusPUBLIC

Content hashes

Canonical text7c62f920afa1b54dfbf15f337698c49a087daf378538eaca085b16963fc383a5
Markdowna701ebc3e8ad6fcc5e81d0a18fd63acd5853cbf9052536dd59cca7f619918a32
PDF
Publication pagef577316490b1458ffae62c1bef9ebbe141d683f4740a0328bd96cbd1d3b11e43
Manifestfe868e74974c50b5044a81619beb685a35415d0c3bd9a49881f840884bc27f1a

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
SignatureKt+o2HJM9qw0tBg+mba6+t7k6JYLxNuRJ5X2p+/EQK/+fW3gYEhUJo8fa3RroV80V2C0YqVq/rlmUSLOOWd8CA==
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

2026-09-17T11:16:04.499372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042361
observed f577316490b1458ffae62c1bef9ebbe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.481747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042361/manifest.json
observed fe868e74974c50b5044a81619beb685a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.463806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042361/publication.md
observed a701ebc3e8ad6fcc5e81d0a18fd63acd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.446074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042361/publication.txt
observed 7c62f920afa1b54dfbf15f337698c49a...
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.