OpenTechnical

OT-2026-000008848

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, vented after set-down

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-2026-000008848) never changes.

Identity and time

Publication numberOT-2026-000008848 · never reused
Internal UUID01a0ae6b-31b7-7c00-ae33-2e161e33005f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008848
StatusPUBLIC

Content hashes

Canonical text6cb5791903198e1a4b23eda7666c3556d2ff7b8c9fa9bdcfb2b5f09b5fe124f7
Markdown51d9f16ebdab674a81ad4b776e7e3533e2d6bef5a3a0f9b325de20d9f85ce5dc
PDF
Publication page5a6b750c8b31defad6bf0267042d7a026947eee283e166cf2ae63c150b6c0487
Manifest868450e897c0cc44ed539da3fa0535b37e04050c736001b8fde2c996f1422815

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+/Xm6CKx4XCwFG75u3D5LGUPCQbxSBmuATHhNDNEiFTRMhOuA8FWP5bcPS3w2rl4IksPpibXEaOjzmyq7yYZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:25.100347ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000008848
observed ...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:25.077424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008848/manifest.json
observed 868450e897c0cc44ed539da3fa0535b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:25.052366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008848/publication.md
observed 51d9f16ebdab674a81ad4b776e7e3533...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:25.032644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008848/publication.txt
observed 6cb5791903198e1a4b23eda7666c3556...
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.