OpenTechnical

OT-2026-000054436

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000054436) never changes.

Identity and time

Publication numberOT-2026-000054436 · never reused
Internal UUID01a0ae86-1282-758f-a8bd-ef15cff3beab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054436
StatusPUBLIC

Content hashes

Canonical text7dbbec5b23b3c26f116289c2e9ce894d453b3c5b3708734a93a090c65fe5d802
Markdownf40c8756e29eda359951e50a0dcf29a3216c3f213618135a8ebe1e50255efa0f
PDF
Publication page8614f67dcef57489e32bac79b394004396ee72c95d635a6aead529ce6da9ae3e
Manifest5c6dd5280510f39762e77a5500e75521ba5da189018c3334fa76bf8f648ea072

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
Signaturez8fV+C6OFOTeuOMpuuVnE84sWNPW6p2HJx3pig/INuYI0TEbcmpqgGz2dXllhhS0KLW8IQj1q1uRPp91ACSaAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:25.216993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054436
observed 8614f67dcef57489e32bac79b3940043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.200975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054436/manifest.json
observed 5c6dd5280510f39762e77a5500e75521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.182430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054436/publication.md
observed f40c8756e29eda359951e50a0dcf29a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:25.163104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054436/publication.txt
observed 7dbbec5b23b3c26f116289c2e9ce894d...
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.