OpenTechnical

OT-2026-000042299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000042299) never changes.

Identity and time

Publication numberOT-2026-000042299 · never reused
Internal UUID01a0ae7a-5d73-7560-ad80-517773341c70 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042299
StatusPUBLIC

Content hashes

Canonical textc7507b65515fda29bad500d93dcf48861199b2bc71c578efd9b823f8e0f9f32d
Markdownf985c76d78e3e0b6c9dac27c488d83e49bc9cc0c0aadd6b217c73e0c6f294c71
PDF
Publication page4a520f5cdd5bea8d2c42d3c125667ae467fbdb3c9b6d2d5ab5c5c1cb86b4703d
Manifestc83ebf622b8812bde44e550377b307be3c85dff094747d0845b1b42ccea0d31d

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
SignatureRNuQjvOc2WwrAbKZ0odBPenJ8fQAC2jCEvefQBfyLRWT6yxQymCGve9edN0/8UnlGrzFBDJKLUePUF/6tkYICA==
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

2026-09-17T11:15:59.846288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042299
observed 4a520f5cdd5bea8d2c42d3c125667ae4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.829172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042299/manifest.json
observed c83ebf622b8812bde44e550377b307be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.812092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042299/publication.md
observed f985c76d78e3e0b6c9dac27c488d83e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:59.794538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042299/publication.txt
observed c7507b65515fda29bad500d93dcf4886...
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.