OpenTechnical

OT-2026-000059642

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000059642) never changes.

Identity and time

Publication numberOT-2026-000059642 · never reused
Internal UUID01a0ae89-ec24-7c74-9f6d-a56f6b06d9df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059642
StatusPUBLIC

Content hashes

Canonical textedbe984ee1965fc9e55981315fbcea7e60bee3ff3472d64a1612f9e828b20929
Markdowndef292c1f289c6b33b619fe7b3d4991677a896ac3f001d585d65df756a40c65e
PDF
Publication page4e1be3ba7a7350c2d0fab8778a383de01fdf0efbb72c9451711974e58e781961
Manifest9081e723b113106dabb18e8b9c983f866850c6e2774bad201b32e117364e73ea

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
SignaturevxLc2WoUW6RMfixMzvQtHlPojoEm/2dvx0IJxD7rfZy0aNhls7Vvu4T/HZ8BxiJnAFUiiCL23I4I9rZAIBnmAg==
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...

Independent retrieval

2026-09-17T10:44:20.078114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059642
observed 4e1be3ba7a7350c2d0fab8778a383de0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.062049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059642/manifest.json
observed 9081e723b113106dabb18e8b9c983f86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.043310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059642/publication.md
observed def292c1f289c6b33b619fe7b3d49916...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:20.022038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059642/publication.txt
observed edbe984ee1965fc9e55981315fbcea7e...
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.