OpenTechnical

OT-2026-000048409

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000048409) never changes.

Identity and time

Publication numberOT-2026-000048409 · never reused
Internal UUID01a0ae80-4de4-78a0-88f4-2af8d9bcec7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048409
StatusPUBLIC

Content hashes

Canonical textdf39d24200f85d9cd6473c455cb9fb7ee2c76da5f64ffd4f79f5c2d56c961646
Markdown3c7e63b7299f4bd50e3727a71eabbafa2e7520209bb4231580319845904d6c3d
PDF
Publication page22efd90e2479ee7ac3630df448aadf7b4a969fd34e338ea98bf6f498b0040257
Manifest022999c04845e0020d1c0ed3b6d516a82ee0292207eef4b431a7bd379428e38f

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/7aP4/J64El90HbEnz/cqClEICYpL10MlRo7/8kMFcM9CW8qA/wVRJZJV7jDEgTEqI1vTv5xPFg+ARmrTfECBA==
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

2026-09-17T11:05:02.996383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048409
observed 22efd90e2479ee7ac3630df448aadf7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.977555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048409/manifest.json
observed 022999c04845e0020d1c0ed3b6d516a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.959313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048409/publication.md
observed 3c7e63b7299f4bd50e3727a71eabbafa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:02.941650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048409/publication.txt
observed df39d24200f85d9cd6473c455cb9fb7e...
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.