OpenTechnical

OT-2026-000048437

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000048437) never changes.

Identity and time

Publication numberOT-2026-000048437 · never reused
Internal UUID01a0ae80-4de5-795f-850d-fb55f9c43555 · 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-2026-000048437
StatusPUBLIC

Content hashes

Canonical textd975d7bb79aabbe4b21e375be50764f7eb6f2c7c1f5618011fbae7b01faaef46
Markdown39172d88dae5906265f402c85ed6b8c717b2e0e3884b2d0fb490592c81cc203a
PDF
Publication pagec9302419828482eea79a05f1fe8774040de7ebb4f3dd910aa1658dd020cfa988
Manifest35c77dbe09a3064501acaae14039721851ff1ec31840a838527f3e6eac202031

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
SignatureUMD1TR9laAYoTLm/zIq8RO/SSGvqyant6Pb1CLrBEVBo+9Ihv2uimcPbJK6G50CS4Tz5Q4fYS/o1hFuIBJjxDQ==
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

2026-09-17T11:05:05.307616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048437
observed c9302419828482eea79a05f1fe877404...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.287556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048437/manifest.json
observed 35c77dbe09a3064501acaae140397218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.267187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048437/publication.md
observed 39172d88dae5906265f402c85ed6b8c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:05.247786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048437/publication.txt
observed d975d7bb79aabbe4b21e375be50764f7...
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.