OpenTechnical

OT-2026-000060726

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, vented 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-2026-000060726) never changes.

Identity and time

Publication numberOT-2026-000060726 · never reused
Internal UUID01a0ae8a-b7ce-77ff-94c4-ed6b89c9c317 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:21.818756Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060726
StatusPUBLIC

Content hashes

Canonical textea0b98aa899a31ca48ad417770098dc33cbdf0c98e4cbf435319bf7ac7472aae
Markdownd0fd0de20cdf7d818015e1fdd3d029f12a2d734569f82bc74048453477cbd3f6
PDF
Publication pagea3d959e46296725244c4f729890d1338ca243fdf5ee1c78fc9c46b8bc806129b
Manifest8d1c470393c262f61cf96c7d4a5f1ebeda093fd8da375e5c3031b740ec080df4

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
SignatureCKJHcMSSXp14gWro1mw15RZlUYBx26wtZZLFGM1s2JfHY4LP7dxoTfXQKSFHWiXECn0txxFjDPJ2YED3Jid8Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:43:27.475055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060726
observed a3d959e46296725244c4f729890d1338...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.456242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060726/manifest.json
observed 8d1c470393c262f61cf96c7d4a5f1ebe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.439270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060726/publication.md
observed d0fd0de20cdf7d818015e1fdd3d029f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:43:27.421276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060726/publication.txt
observed ea0b98aa899a31ca48ad417770098dc3...
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.