OpenTechnical

OT-2026-000042722

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000042722) never changes.

Identity and time

Publication numberOT-2026-000042722 · never reused
Internal UUID01a0ae7a-c0cf-7d40-99ba-d1ae27355485 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042722
StatusPUBLIC

Content hashes

Canonical texta83fcdd45cd1b8f023a1deb64277a532b5794a29529dae9135fe497742b34347
Markdown8957a7c5151a4d6c936398b9e877b8df9f66a9ac531d2beffc056e5eb7f5a1b7
PDF
Publication page3a4175d98a3e7c8220738c622305a1f4e9e40c05c6c11fe7a71f8b17f3d1b995
Manifest23e7b87901760c3acdf0714f7adba47ad13f0fc4a9f22ddf7c71e98b4f8ec575

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
SignatureS7OlgW7C4lhFRPMBwHyDMQEOaEw3mOsSkzSQRL2lM/90js5TFXI0t3JgPmnKw2Yf3RPAJzvr1pIIclstkgycAw==
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

2026-09-17T11:15:09.694618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042722
observed 3a4175d98a3e7c8220738c622305a1f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.673909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042722/manifest.json
observed 23e7b87901760c3acdf0714f7adba47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.646360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042722/publication.md
observed 8957a7c5151a4d6c936398b9e877b8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:09.494106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042722/publication.txt
observed a83fcdd45cd1b8f023a1deb64277a532...
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.