OpenTechnical

OT-2026-000030506

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000030506) never changes.

Identity and time

Publication numberOT-2026-000030506 · never reused
Internal UUID01a0ae73-e504-78bf-bd46-bfa9ee5de9be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030506
StatusPUBLIC

Content hashes

Canonical textd2ffa09abec8d0696d09730995d11d15bcd8c8fd4c1081e49a0993d41195c2ef
Markdown65dd0185f8f15835814d1c479b3a5bee50e68e6417ce87dc43ae90ad86f255e2
PDF
Publication page199d46fdf13ac1edd7ce031eed37fbe530c1fe002b2f08f6562b5320beafb5ba
Manifestc5b252e5eba73d3305eaaccac0cd312eb5e4d5434b49f50952d637f3d04ef02d

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
Signature2xMA19L9hsNp3csiHpfX19eHGNuv2BhFLnGFM6H+JBbZqGCk6jfNcWQUCCRxuQ0CXgvVkkt5r7EXGTS5yub+Bw==
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

2026-09-17T11:38:21.875346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030506
observed 199d46fdf13ac1edd7ce031eed37fbe5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.858359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030506/manifest.json
observed c5b252e5eba73d3305eaaccac0cd312e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.841715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030506/publication.md
observed 65dd0185f8f15835814d1c479b3a5bee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.823631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030506/publication.txt
observed d2ffa09abec8d0696d09730995d11d15...
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.