OpenTechnical

OT-2026-000038392

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000038392) never changes.

Identity and time

Publication numberOT-2026-000038392 · never reused
Internal UUID01a0ae78-2d52-7cba-9fed-dc639bda9f7e · 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-2026-000038392
StatusPUBLIC

Content hashes

Canonical text7c62afe3d9f00aaa749231c205fe444eba67a23f7636ad02bcfd21ecc0c60400
Markdown8bd53e3cd4efd0d80e27fe7b7021adb1fad165981d844f24ca47d87856f2a300
PDF
Publication page519c4fe3a349ca351ae210c3d65a1b84e3edacb1cf74ecf0014ab7bc7e34827e
Manifest85649da57cbd91f224821b31de4a54d75345a8b72d912f0a290cf8fd51e9cf69

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
SignaturektS0FdL+ukNzq7HRusijW7U3PBKSDo3DSgB3uEFZcdAiZRyxUqReCTwnQLVa0JCU/d/xzz6kQ3B3IYb6xWk1CA==
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

2026-09-17T11:22:35.850823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038392
observed 519c4fe3a349ca351ae210c3d65a1b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.833856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038392/manifest.json
observed 85649da57cbd91f224821b31de4a54d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.815380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038392/publication.md
observed 8bd53e3cd4efd0d80e27fe7b7021adb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.797806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038392/publication.txt
observed 7c62afe3d9f00aaa749231c205fe444e...
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.