OpenTechnical

OT-2026-000050500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000050500) never changes.

Identity and time

Publication numberOT-2026-000050500 · never reused
Internal UUID01a0ae82-5c49-77e3-bcfc-216ed91e2a51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050500
StatusPUBLIC

Content hashes

Canonical texta04b35ffa8b46cf8d61629e0799eb38ef54c420aaf49aca5e3878c9861ae7b2c
Markdown35428c0d613ebd4dc713574997463305ceb5e2d39f7ee04e47fcce5cb181aca1
PDF
Publication page34bca5f407e18bff5036e2b561ce1f6c7221ad73fcc6c666d4cf718607a98471
Manifest66ecf4b23f0b081e4dd85902ae7f3e903d6e4542b11694b471220f21593ca4c7

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
SignatureOY2PvRUyj9I2ro0e2WQhH0w3JD7swZX0134ULcmq2tq0t66P8lduHzoVT+hjEhAIw5vdtXDs/Ruf+9bbXqEDCg==
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

2026-09-17T11:01:33.434593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050500
observed 34bca5f407e18bff5036e2b561ce1f6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.419126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050500/manifest.json
observed 66ecf4b23f0b081e4dd85902ae7f3e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.401927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050500/publication.md
observed 35428c0d613ebd4dc713574997463305...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:33.384609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050500/publication.txt
observed a04b35ffa8b46cf8d61629e0799eb38e...
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.