OpenTechnical

OT-2026-000043588

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000043588) never changes.

Identity and time

Publication numberOT-2026-000043588 · never reused
Internal UUID01a0ae7b-92cf-73f6-a846-43e90bd40fb2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043588
StatusPUBLIC

Content hashes

Canonical text9e3de7db5612d51294e03228e21ebfd0c900826beb406dc8d0909cfdb2fc7cf8
Markdown049e0a3920b5aff5ca3a50c1c24ac7da7944265b61ae5d7e042c51049a3db3c9
PDF
Publication pagec5511476e9bc7494246b0f13e27064690e3316ea6ab2c02aae9ec76cd8357b6f
Manifest0d29d4c8b9ef83e5697f1d153d8587d1724b448908eb69ba24702876828895fe

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
SignatureRDlKYFafx8kilqyD9N0+f7Jb7+8fyp08pIKS5ElZ/sDRp+muP0F0qpYCn4gwu/V3HtQBiq9XSeUSBzDZoN7gDg==
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

2026-09-17T11:12:59.389746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043588
observed c5511476e9bc7494246b0f13e2706469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.372449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043588/manifest.json
observed 0d29d4c8b9ef83e5697f1d153d8587d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.353307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043588/publication.md
observed 049e0a3920b5aff5ca3a50c1c24ac7da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:59.332616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043588/publication.txt
observed 9e3de7db5612d51294e03228e21ebfd0...
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.