OpenTechnical

OT-2026-000081733

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

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-2026-000081733) never changes.

Identity and time

Publication numberOT-2026-000081733 · never reused
Internal UUID01a0ae97-0f74-7f29-a79f-b4fec4c4eb30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081733
StatusPUBLIC

Content hashes

Canonical textb237b9cb9b39b0f06ca8abdd63f09e50d2c0dc1ae093bd15141d7b6493732505
Markdown63cbbdb20b4b0bfdd92c67fbf454276e2dfae93821de7e9fa726f0f9a3faa689
PDF
Publication pagebc154b396dbf96d93d65d5be5c9af4398e6c866650dea09945d25ce850e1b81d
Manifest468177dd784dccfa3f1864e45a537bc0af5b880fd9d41f15246a5ab46c450a9b

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
SignaturekJiaecC+o1J5nL3Rd1ZeOuc7i62wImXem155c580tEBM50nfzHVwYT6YsWClz84HULtJUOoPCJtrydzHUCk1Dw==
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

2026-09-17T09:59:48.853529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081733
observed bc154b396dbf96d93d65d5be5c9af439...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.835950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081733/manifest.json
observed 468177dd784dccfa3f1864e45a537bc0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.819065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081733/publication.md
observed 63cbbdb20b4b0bfdd92c67fbf454276e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:48.802045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081733/publication.txt
observed b237b9cb9b39b0f06ca8abdd63f09e50...
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.