OpenTechnical

OT-2026-000062204

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000062204) never changes.

Identity and time

Publication numberOT-2026-000062204 · never reused
Internal UUID01a0ae8c-0abd-7df1-a6cd-97c662c93379 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062204
StatusPUBLIC

Content hashes

Canonical text7d7392601aeb1958394819db32f11a1e8270e12e2b18902f426aefde0ba75cc4
Markdown8077247afb7a89723c439210950f3de524bce2d31e7f5f3e338bebbf429e174e
PDF
Publication page20c43ec697eb6c76b29f3fa93710cd79433a9b277e9d2da8d2085ce14378996f
Manifest43aede42dfbbe004692d7b79df0d71225c03858e2675d928c9a88c31109071be

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
Signature6eAPYz01cFKGs1rjQDAVnJ1o/PotdB36yCS6ctnM/MgBxsyf3lKiBeidzsAE6h7pTZ/WfQhgUZA3fvrBD081BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:28.227953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062204
observed 20c43ec697eb6c76b29f3fa93710cd79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:28.211036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062204/manifest.json
observed 43aede42dfbbe004692d7b79df0d7122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:28.193047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062204/publication.md
observed 8077247afb7a89723c439210950f3de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:28.175196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062204/publication.txt
observed 7d7392601aeb1958394819db32f11a1e...
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.