OpenTechnical

OT-2026-000044668

Publication integrity record

Single bellows cup vacuum gripper, two 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-2026-000044668) never changes.

Identity and time

Publication numberOT-2026-000044668 · never reused
Internal UUID01a0ae7c-39da-74c3-8c0f-6825a978e4af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044668
StatusPUBLIC

Content hashes

Canonical textbd6e4dc43a31ebc09082f764b37dc7a65caccaca8be028993d1b54f85f44fd91
Markdown1ee17404883ef7368d0cc757e092d18a5eab40b1c08b707964086e03912d2324
PDF
Publication page7544bb2d33603d8dd22671ec2c85a738b12924e54786b1e7b957dc4c3c533c49
Manifestf7348c4386f6d75720f93944d4a9cdc7bd13ff12cff744cde1694720b19407c2

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
SignatureA73j7Zu0RxRTX/iqz0rnpbq28oZ2Nsg8G2Y33pGJIr3NI4ld4PdspqnBXbsSBXZYbkLrBG8KX2X56KUDG2JHCw==
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

2026-09-17T11:11:55.105142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044668
observed 7544bb2d33603d8dd22671ec2c85a738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.087465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044668/manifest.json
observed f7348c4386f6d75720f93944d4a9cdc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.069713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044668/publication.md
observed 1ee17404883ef7368d0cc757e092d18a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:55.051230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044668/publication.txt
observed bd6e4dc43a31ebc09082f764b37dc7a6...
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.