OpenTechnical

OT-2026-000053762

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000053762) never changes.

Identity and time

Publication numberOT-2026-000053762 · never reused
Internal UUID01a0ae85-735d-7e0c-90cf-fd5188c38bd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053762
StatusPUBLIC

Content hashes

Canonical textac7684bd80cbf70d0068e2e71cc17f61fb87348e396bf889cc5182f78f19d8a8
Markdown7ef2d64bf2a4c7af601a8e49d4f9e5d59f3f2f031a300ae8c0cb61ff0b89e43c
PDF
Publication page21a7d87e5d110a342583bd5bb2cf0841a420e264c54d3ddd51f8a9ced6df2c43
Manifest6853d2bfc52860e2ccadeb141001e8db1aa5c642c60da0cbad3c8673451e0d90

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
Signature84HxC7ydOjohF3Kp2OY9/NboGjTv54akMINLtuBTofduY7JAFOdjPUr5utx8NrtQpWHrOEJpIzruqV+oFUy8Aw==
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

2026-09-17T08:40:24.084248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053762
observed 21a7d87e5d110a342583bd5bb2cf0841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:24.064509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053762/manifest.json
observed 6853d2bfc52860e2ccadeb141001e8db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:24.044075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053762/publication.md
observed 7ef2d64bf2a4c7af601a8e49d4f9e5d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:24.024924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053762/publication.txt
observed ac7684bd80cbf70d0068e2e71cc17f61...
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.