OpenTechnical

OT-2026-000020706

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000020706) never changes.

Identity and time

Publication numberOT-2026-000020706 · never reused
Internal UUID01a0ae6f-65e2-7227-b2f6-80e55914b917 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020706
StatusPUBLIC

Content hashes

Canonical textce04503d90873bcd5e97ec3385e43a6244af67fbb45d143ef41153336875153f
Markdown100614d82eebc85203f0c1c9323395720e6fe62c7d31beaf9fcef9ea4bbb91ac
PDF
Publication page415f56c3b1d2d4927c8ccd6665cfc08df33d478c1e1a7299c1854fc7d80c0197
Manifestf8d728a61b06a6022ac02362c2e48de7a314648653534b6592f71e7d9faf911a

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
SignatureLv0L3FUN06bP8EKf25Sxlux/b6s61P4R/s3KIqQ2zIMOZ/F8JOUsrdNGI5Q4qSvLZ9wb75ODzJ/HDcKvopYPBA==
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

2026-09-17T11:55:45.370860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020706
observed 415f56c3b1d2d4927c8ccd6665cfc08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.352856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020706/manifest.json
observed f8d728a61b06a6022ac02362c2e48de7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.336356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020706/publication.md
observed 100614d82eebc85203f0c1c932339572...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:45.318177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020706/publication.txt
observed ce04503d90873bcd5e97ec3385e43a62...
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.