OpenTechnical

OT-2026-000044947

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000044947) never changes.

Identity and time

Publication numberOT-2026-000044947 · never reused
Internal UUID01a0ae7c-911c-7998-ac0e-643321de665b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044947
StatusPUBLIC

Content hashes

Canonical text11ab399f9033881e2291edddeb6e387eb7247fd69272d9cbe3610524a70b4b02
Markdown8444ab18b1ee07a3894fa49186238260027433952b3b1cf350541bbd2f52c2e9
PDF
Publication page17dfd9b1d991652f22de5628e60318368035c6376b8d92d9530d958382358f74
Manifestd93c2915b030d09cae0ffcf14f972b2bf4a57e3d3c54e0feaaa8f077c18a303e

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
SignatureDJS5+0EM5+l0XSVEnnUlBlHpuB1W6VAJKtkHLYRJiFfNiwWvE9rxUswMsw2DB5H1hyz7cf4MFvjQP8tK7ODQAg==
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

2026-09-17T11:11:37.655577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044947
observed 17dfd9b1d991652f22de5628e6031836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.636093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044947/manifest.json
observed d93c2915b030d09cae0ffcf14f972b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.616957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044947/publication.md
observed 8444ab18b1ee07a3894fa49186238260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:37.598072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044947/publication.txt
observed 11ab399f9033881e2291edddeb6e387e...
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.