OpenTechnical

OT-2026-000006296

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, contact triggered, silicone cups, flat form

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-2026-000006296) never changes.

Identity and time

Publication numberOT-2026-000006296 · never reused
Internal UUID01a0a955-ee70-71b6-b1e0-188ec96d9585 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:29:36.243946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006296
StatusPUBLIC

Content hashes

Canonical text08d1872eeb427d833ff959e9973b7160dfabb4154c5c186e70f6c822bf8131db
Markdown3f89ca49d256d35251a9438f10952a14685f04ec3fee296d00214d7aeb1562e0
PDF
Publication page1a5697146ab50d6d1cfc6c980db6acbc8a183421f34a132f22c9dfc9a672a472
Manifesta10b6043c6c33fedb39436fce42b1dee73c064be1d1c986710a34d1f6d134411

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
SignatureYSD/UQHYnszVZbh8IxjCIosoUDtuA6x9jqrLWxBQvkoxlFOdB78GcVCmHiqnf2um05cbLnLyKFa1KFb8V4+DCA==
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

2026-09-16T08:30:04.411097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006296
observed 1a5697146ab50d6d1cfc6c980db6acbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.397863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006296/manifest.json
observed a10b6043c6c33fedb39436fce42b1dee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.382773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006296/publication.md
observed 3f89ca49d256d35251a9438f10952a14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:04.240813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006296/publication.txt
observed 08d1872eeb427d833ff959e9973b7160...
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.