OpenTechnical

OT-2026-000085744

Publication integrity record

Three bellows cup vacuum gripper, three zone face, pump 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-2026-000085744) never changes.

Identity and time

Publication numberOT-2026-000085744 · never reused
Internal UUID01a0ae99-aaae-75b3-8efc-792a6f527a26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085744
StatusPUBLIC

Content hashes

Canonical textc3f1c8afa222d6138904d173e9d47618f36632e66445c74025fc98b78d15a7e8
Markdowne47f74f48c2b30dfa49f9ee91a546b29cc606a09d74f8cc2c6ff0d6688ac89d0
PDF
Publication pagec538e6e6e327050c64ece968de66f35ae939f72778a452840bd087407fb53dc6
Manifestfedc3ed5d62679f68ea8ec292520d9c1e3d7c797d7f749c82e8bf23195f68762

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
Signature+KU0kY2Gq87eNuE9GfoJAHX3vu+IhY1sSljyyAXhx8c2AEovQwTOQu//wUDRR1GWrmE6sByU7ZLEpOLTqTgLDA==
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

2026-09-17T09:54:39.619034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085744
observed c538e6e6e327050c64ece968de66f35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.601575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085744/manifest.json
observed fedc3ed5d62679f68ea8ec292520d9c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.584031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085744/publication.md
observed e47f74f48c2b30dfa49f9ee91a546b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:39.566884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085744/publication.txt
observed c3f1c8afa222d6138904d173e9d47618...
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.