OpenTechnical

OT-2026-000037111

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line 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-2026-000037111) never changes.

Identity and time

Publication numberOT-2026-000037111 · never reused
Internal UUID01a0ae77-7740-799b-a5eb-6f74238dc8da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037111
StatusPUBLIC

Content hashes

Canonical text048221785623bc6eab4d8ac0da83192365ee86dd2469843a3cf54376fef9bcc0
Markdowne3c0323bdb7f3ab7646a10e9d1cbaacfd4c4f56116e43ad2fb8deabde1ded726
PDF
Publication pagecdce7022f5f9f17fc499bcf3d54cba4d7567536b6e15e313e3ba9cedb00f70a1
Manifestf0d57c915abc6c7af2e58946222940d1632cd076fa2c29cbe95a1845544bb501

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
SignaturebsrwS7B27hVreC6GMvYg9EIx3jJkvhXmX8Du56QG6DMWqAiM/Pa4+dxgySY6XkjAK1JluNKTG5nwXN3gxT0GCA==
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

2026-09-17T11:24:58.864925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037111
observed cdce7022f5f9f17fc499bcf3d54cba4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.847529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037111/manifest.json
observed f0d57c915abc6c7af2e58946222940d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.831917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037111/publication.md
observed e3c0323bdb7f3ab7646a10e9d1cbaacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:58.814720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037111/publication.txt
observed 048221785623bc6eab4d8ac0da831923...
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.