OpenTechnical

OT-2026-000050528

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000050528) never changes.

Identity and time

Publication numberOT-2026-000050528 · never reused
Internal UUID01a0ae82-5c49-76c8-bfc2-6974ff0f0a50 · 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-2026-000050528
StatusPUBLIC

Content hashes

Canonical text9769ded55592671ba26a87d20f7803d7b301e0a30a4281629d77734e2aabd518
Markdown836d099aecb3805b674c7fd92c219132c478dc801528790bf515bd60a601e737
PDF
Publication page2e655a683b512eb7c79c357eff66c35baef13aaba0e1e44d1a8caebc6e764b45
Manifest258c78ffdd9f83ef275ee54109c5aa5bdd77f81e62887a1601022105d3e5a099

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
Signaturexxue73Qnw4UqbtyPVIuHPRkid5Il9jVZJ+5LWEVzKXaJjbSTavlntMlbFHc+xo3zwf7UyTftPTAE+3h/VbGVBg==
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

2026-09-17T11:01:37.370151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050528
observed 2e655a683b512eb7c79c357eff66c35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.353306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050528/manifest.json
observed 258c78ffdd9f83ef275ee54109c5aa5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.335302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050528/publication.md
observed 836d099aecb3805b674c7fd92c219132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:37.317565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050528/publication.txt
observed 9769ded55592671ba26a87d20f7803d7...
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.