OpenTechnical

OT-2026-000022537

Publication integrity record

Single cup vacuum gripper, 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-2026-000022537) never changes.

Identity and time

Publication numberOT-2026-000022537 · never reused
Internal UUID01a0ae6f-f4fe-7713-a336-79e4eba12a42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022537
StatusPUBLIC

Content hashes

Canonical textfc0e787d92b0452914cf89a9885a0cd46df63bb628ef8f7f66987a565f092c8b
Markdown72f0fa929ac86370626ed866562d23583f7cb9a0b9dc4b9a14a01f713bb57446
PDF
Publication page8c1405071b45bc45a16684553c9f12fe27dd041906f001841a1556edc76cc4a3
Manifest015655bc6e05f1e953e46b1a0718cb43e2904973720824c068f8ad8dbfa6e047

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
SignatureTATsypVhOHdricU+LbjSuIuKNJcVGLgphY1axa+LH/kF28xk+y0tsENAaZvtq0VFi7wQsCG82a/px9yyFf0vBw==
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

2026-09-17T11:52:46.029153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022537
observed 8c1405071b45bc45a16684553c9f12fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:46.012664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022537/manifest.json
observed 015655bc6e05f1e953e46b1a0718cb43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.996517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022537/publication.md
observed 72f0fa929ac86370626ed866562d2358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:45.978288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022537/publication.txt
observed fc0e787d92b0452914cf89a9885a0cd4...
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.