OpenTechnical

OT-2026-000079875

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained 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-2026-000079875) never changes.

Identity and time

Publication numberOT-2026-000079875 · never reused
Internal UUID01a0ae96-4376-7029-8ed1-e0324ddb5756 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079875
StatusPUBLIC

Content hashes

Canonical text744dc2e63769ea7d8e4ffd56a5886f9b15bdb391103f5d087fd48453fe4ea885
Markdown794d633e3d71f222152822f8ba2e1a4ae84166977961a3db7f47c56667ad6b4a
PDF
Publication pageb4ab77d38ee1f5ea138f3c9aa6836670c6c3eee1cabe9e3e81c517777487f556
Manifest72baca0c1e79edabcfcb69c7f879870b0aa7cf7bf68bc7fc44148dbe444015e2

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
Signaturezmkvyn1nEBFJ681IeIF/kHlHyaMSvh8Dd2dqgijLgXs29gVRN9fG0uUxvvcJQiaXnid+flK9AydJ/xcoNAdLAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:03:46.042416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079875
observed b4ab77d38ee1f5ea138f3c9aa6836670...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.023623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079875/manifest.json
observed 72baca0c1e79edabcfcb69c7f879870b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:46.004993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079875/publication.md
observed 794d633e3d71f222152822f8ba2e1a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:45.987872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079875/publication.txt
observed 744dc2e63769ea7d8e4ffd56a5886f9b...
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.