OpenTechnical

OT-2026-000019186

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two 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-2026-000019186) never changes.

Identity and time

Publication numberOT-2026-000019186 · never reused
Internal UUID01a0ae6e-f391-7415-936e-19a3dd82a472 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019186
StatusPUBLIC

Content hashes

Canonical textd0a49dbb250c1083f75c459acbb01758fb9f8a0fc3b3bdfd97fc3bd1db0c1c3e
Markdown0a61208d2ba5334a3cde99d5d97392b52a0a6ca082e9a9b4411b2c892576e3cd
PDF
Publication page8e45988ef8032c0518caad9de8eb81aa88d7ebcf83813ef02ad5d4480b40f6b1
Manifest3854945994bff5ff5f5bd8817efac1a1f591e805743939b010d872accd4a6271

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
SignatureVI9pHKoJDU+Yp1IioqxnaqF7wBBuGvNk3tFF8Rc4DgKPOKrUMKe9G77QQJUhoBqrykVoVvYg996SuVhWKoFIDQ==
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

2026-09-17T11:58:30.248384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019186
observed 8e45988ef8032c0518caad9de8eb81aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.230636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019186/manifest.json
observed 3854945994bff5ff5f5bd8817efac1a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.211482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019186/publication.md
observed 0a61208d2ba5334a3cde99d5d97392b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:30.191880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019186/publication.txt
observed d0a49dbb250c1083f75c459acbb01758...
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.