OpenTechnical

OT-2026-000012793

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000012793) never changes.

Identity and time

Publication numberOT-2026-000012793 · never reused
Internal UUID01a0ae6d-5563-70ae-b791-7eb290b0cc94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012793
StatusPUBLIC

Content hashes

Canonical textb1d6cc2e5501c1c8fb41feaa467c87f9bce54a8ff2795ca438c405eb00af57ea
Markdown92d6488f172d3fc06f966e177e6f27e9005836c65b8c71302e37cbee69ba963d
PDF
Publication pagee17025ab9656a9c4010a9dedb62dd639a4969d69c5f1d35f93e45fbfa7b099e2
Manifestae7fd46dafb4215dd7ee9ee7310bb7e6f091beb7b045ff509482a64729cb001b

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
Signaturef54zODvt00Ja6oXKEAiOhIxbFgJBQ+rWZ1zAU0DWvbxN+PL7+SkGQ0M6g7x6pgaEhO/ZvK04xCOtLbUvqhC0BA==
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

2026-09-17T12:10:31.057780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012793
observed e17025ab9656a9c4010a9dedb62dd639...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.036740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012793/manifest.json
observed ae7fd46dafb4215dd7ee9ee7310bb7e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.015205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012793/publication.md
observed 92d6488f172d3fc06f966e177e6f27e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.995045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012793/publication.txt
observed b1d6cc2e5501c1c8fb41feaa467c87f9...
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.