OpenTechnical

OT-2026-000023709

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-2026-000023709) never changes.

Identity and time

Publication numberOT-2026-000023709 · never reused
Internal UUID01a0ae70-aed4-7ced-b49d-d54743527498 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023709
StatusPUBLIC

Content hashes

Canonical textecc6761a5acd62766f037ced309c890e2055de03c439a53aee8bdbe367b37f50
Markdown726b524ab2f98297676dc44ce1a90e392d4cf5c962d5d3e11612feb42c24980b
PDF
Publication page68f4920e20fe663e28401552e61a691c9088dd956da0c21b15d4790d8cd7b9f6
Manifesta203ac723b5ec1f1dcb836ccd634dc818b217b09cd16f3ecadd015dc770a8c1e

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
SignatureiS3Zk+8xPF9/KvwICTMnHWNTiek9mXRUJ3jD+Fyt/UjBqdLo/v48KbSg9I14ZfkmcIruyIF4dfRQJ+b3WHk+CA==
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

2026-09-17T11:50:02.726028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023709
observed 68f4920e20fe663e28401552e61a691c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.706136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023709/manifest.json
observed a203ac723b5ec1f1dcb836ccd634dc81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.687301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023709/publication.md
observed 726b524ab2f98297676dc44ce1a90e39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:02.653307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023709/publication.txt
observed ecc6761a5acd62766f037ced309c890e...
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.