OpenTechnical

OT-2026-000054758

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000054758) never changes.

Identity and time

Publication numberOT-2026-000054758 · never reused
Internal UUID01a0ae86-1285-70a4-ac29-6d1be448737d · 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-2026-000054758
StatusPUBLIC

Content hashes

Canonical text1e39e25670343502c3d76d38ef7b36cfecf2ae1ea101b195158bf9bb0783d47a
Markdown8accd43b92a919f7cc573d6b4e52914e31625f81a98f4b20d01475bfcae99e6c
PDF
Publication pagef34fc977ea0f4a5ef4f58aae6dd4725f4f8ca87681b52fd80fad6cfe3c96cc97
Manifest1fb6cc917328c7bf24705a473da86fc6b5ee756b85067e21f372e46fbec43196

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
SignaturePx+oc6gBmKL5/DFP9JSVdVc31kHA0/XIN3NctHuYp5NJqAWZyT0ClbBy3AYOq4YH+WHuA7OP7N92M1r3Ot7DDQ==
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

2026-09-17T10:53:56.879437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054758
observed f34fc977ea0f4a5ef4f58aae6dd4725f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.861737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054758/manifest.json
observed 1fb6cc917328c7bf24705a473da86fc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.844911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054758/publication.md
observed 8accd43b92a919f7cc573d6b4e52914e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:56.825440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054758/publication.txt
observed 1e39e25670343502c3d76d38ef7b36cf...
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.