OpenTechnical

OT-2026-000030812

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000030812) never changes.

Identity and time

Publication numberOT-2026-000030812 · never reused
Internal UUID01a0ae74-3fb5-7835-a43a-576799f14c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030812
StatusPUBLIC

Content hashes

Canonical text640480fe46bac548a3d0235d69fc1baa24606f8ebedc1d32378d7e68eb5c63dc
Markdown717a2a74199af06df589f265cd332dd477fbdba0293ce450c59ac5f9dc146ae1
PDF
Publication page9075620b2e3ad6644f5e826bc270a83ebf7a5ab6af9b6ec5bdf35c2e326995f8
Manifest1a334d51379a39f2b9d13fd7dd6dbaad5d7831a0a7eebc74b41cbf6ebacd66cb

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
SignatureZQjsU5Oz9J1Qia5RTRngCvL/6id/9OMmgjMdHKnyAaVYxWk7nh5iS8KaT/5RYf50e85r/l5DOiglLIUkCZJMAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:47.347657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030812
observed 9075620b2e3ad6644f5e826bc270a83e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.329204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030812/manifest.json
observed 1a334d51379a39f2b9d13fd7dd6dbaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.311100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030812/publication.md
observed 717a2a74199af06df589f265cd332dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:47.293002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030812/publication.txt
observed 640480fe46bac548a3d0235d69fc1baa...
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.