OpenTechnical

OT-2026-000006647

Publication integrity record

Vacuum cup gripper, plant vacuum fed, pulsed blow off before set down, rubber cups

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-2026-000006647) never changes.

Identity and time

Publication numberOT-2026-000006647 · never reused
Internal UUID01a0a962-947e-7e71-9a75-7c9b12eccba8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:43:25.186514Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006647
StatusPUBLIC

Content hashes

Canonical textd51d34b446d0dc20eba3a9769b458182de5a836706725820dcd7729e9ef1197d
Markdownab0dad158e9be6105b8fc67116aeb0bebb6cee1a3f909aef32a1274c7ba04470
PDF
Publication pagebd9d3523d76ef266b5ce3c9ebda634c597407b6cb2d7274f9e540a5efe5cbb42
Manifest49aefff2dc6e5d0814b9b979a69db6f451f2a55c7119633ae4b6bba3f0becc75

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
SignatureD7cuH4Nk4dqf78pvxHHvcoyBMrN4H+huaFX9pVCucMTb3QuIkxBwQx5BsDpDsmExq/59VvwCd5DcdE0/EOtoBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:21.627645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006647
observed bd9d3523d76ef266b5ce3c9ebda634c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.490470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006647/manifest.json
observed 49aefff2dc6e5d0814b9b979a69db6f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.476182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006647/publication.md
observed ab0dad158e9be6105b8fc67116aeb0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:21.461447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006647/publication.txt
observed d51d34b446d0dc20eba3a9769b458182...
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.