OpenTechnical

OT-2026-000018554

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000018554) never changes.

Identity and time

Publication numberOT-2026-000018554 · never reused
Internal UUID01a0ae6e-b48a-7c06-99b6-b66ec53a5857 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018554
StatusPUBLIC

Content hashes

Canonical text8bdb93966142103f49672a9a12181a3ca6ea50abf6008709b1f3416cfa4822fe
Markdown92665d9386db695c05cfd5eeebfc99709e34d2b65fc14d3613da4557af27ccde
PDF
Publication page49ff0c29a28c74c83a8a4d381e32223e903aebabdec82cd21ccf334e2fcb3754
Manifestaa642366febcafc6e2a80e8381d540643819f6f90959229ad1ddb18ffc776206

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
SignatureZR5U3rTXGSeGzZVvgK7dm9GL54DoalvCUj74IfuqHEYEUTWx993tWqKsA22/MgE8djLFC6DxQaPD4VHxiSfcBQ==
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

2026-09-17T12:01:19.999406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018554
observed 49ff0c29a28c74c83a8a4d381e32223e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.982150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018554/manifest.json
observed aa642366febcafc6e2a80e8381d54064...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.963285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018554/publication.md
observed 92665d9386db695c05cfd5eeebfc9970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:19.945935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018554/publication.txt
observed 8bdb93966142103f49672a9a12181a3c...
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.