OpenTechnical

OT-2026-000071102

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000071102) never changes.

Identity and time

Publication numberOT-2026-000071102 · never reused
Internal UUID01a0ae91-8c2f-7af4-9c9f-7061b2693834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071102
StatusPUBLIC

Content hashes

Canonical text681fd388a7c5d86f1b9928854699dc7f6db428a96447c0f8e949e9524b30d402
Markdowna1a302b96bf23a3a8351ff9bec1ff94ed4abc2f8dd68f261f32bf2669a0995f1
PDF
Publication pagecb859060cc2a7d50efc93e1c83cd36b1050737380ce8d98c0deaa19648850564
Manifest85bae524251336e67d054bf3fc9ff5d1779545b3b0dd98f4c3a088ea616796aa

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
SignatureMciR+qzuhU7/Q+TUg9RcP7/CKWduOox57q47Ajyf0jo/HYPCf+Jy61k5H4PNNnB/Gdv3Y7TkrrPRx5SlTnEjAA==
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

2026-09-17T10:25:57.976569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071102
observed cb859060cc2a7d50efc93e1c83cd36b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.960408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071102/manifest.json
observed 85bae524251336e67d054bf3fc9ff5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.943654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071102/publication.md
observed a1a302b96bf23a3a8351ff9bec1ff94e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:57.926243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071102/publication.txt
observed 681fd388a7c5d86f1b9928854699dc7f...
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.