OpenTechnical

OT-2026-000009519

Publication integrity record

Three bellows cup vacuum gripper, three zone face, single stage ejector, 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-2026-000009519) never changes.

Identity and time

Publication numberOT-2026-000009519 · never reused
Internal UUID01a0ae6b-7562-7359-8f7c-d2d09dee4c5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009519
StatusPUBLIC

Content hashes

Canonical text233cea466a898e07cfe731f0779a03b49d09aff57263a7d0791bc6c36a070d4b
Markdown46c07386635329dab652fac6e700f6efd6af242fa799ca68d1f56544091371e7
PDF
Publication pageda29d887d6838148ebd3585f62c174f80fd421ea7f7b2ff380d44f5105bd7b20
Manifest337b3cc24d2246147307980bca5504c6464676af91aa37a3ab3d59a233daf74c

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+IZX+jBom3CE8JPrKCFMBSsE7/jLCRnjeCthird2WF6gci/Y1sMjMxGpVRm3FrjsNN0eoBGlDJSk1eKgJIyxCA==
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

2026-09-17T12:16:55.988900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009519
observed da29d887d6838148ebd3585f62c174f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.968497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009519/manifest.json
observed 337b3cc24d2246147307980bca5504c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.948898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009519/publication.md
observed 46c07386635329dab652fac6e700f6ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:55.928913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009519/publication.txt
observed 233cea466a898e07cfe731f0779a03b4...
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.