OpenTechnical

OT-2026-000095224

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000095224) never changes.

Identity and time

Publication numberOT-2026-000095224 · never reused
Internal UUID01a0ae9f-8f70-7c3a-9db3-16639f996a85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095224
StatusPUBLIC

Content hashes

Canonical textce70d71d33c836a4386dc705be5b30bf29f81aa10e786c8a7de071f7402c0d1e
Markdowna2b75e6c3a8ff74e03370d50b6d20864d35236cfec40fb1636e1e4ac05e05b8d
PDF
Publication pagec103b620641b04a61c3d732dcedca6b1112e0364792cd598e0ff72ab884bc659
Manifest4bcfdb0b7a7017a99a36db3d855fffade7a7f5510057fb6ce256cb5cee41be66

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
SignatureE2G180K4zhEq1c06WyMa2RPnSFit0AWv7x/llQg4BvlwKygObq+d4zj8+HzTE7f8QYI2Zn70r/3hH6ppCV8VDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:32.766370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095224
observed c103b620641b04a61c3d732dcedca6b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.748184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095224/manifest.json
observed 4bcfdb0b7a7017a99a36db3d855fffad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.730821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095224/publication.md
observed a2b75e6c3a8ff74e03370d50b6d20864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:32.713429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095224/publication.txt
observed ce70d71d33c836a4386dc705be5b30bf...
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.