OpenTechnical

OT-2026-000091528

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000091528) never changes.

Identity and time

Publication numberOT-2026-000091528 · never reused
Internal UUID01a0ae9c-f16e-766a-8535-c8d922ac7c6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091528
StatusPUBLIC

Content hashes

Canonical text035d04c4d1cf5323f3d58e9e87e44b0892ad6bf122072108ec882b001634bc80
Markdowna2fc82df9fada7ec1c1569fb310087be15b0e6a49610e08bce4bf96373ec5b10
PDF
Publication pagea2d3736c7d7d213e7e070ddadbac7fa96b3be2fe57f3cca47237aa14c2caab3f
Manifest05cd92c90d2825fca2039f7494c8f6dfe3fb9ca8f77237d1ecde2a658a9f8ce2

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
SignaturesW/x4zJy5+4vl3X3uZ1J+fN48GtkKgWcKoRwpZqlKGI4vD+gB7Oj8qN1rria0qKzu+/QUANT0L2WJWeZJLyBCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:43:47.619796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091528
observed a2d3736c7d7d213e7e070ddadbac7fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.602791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091528/manifest.json
observed 05cd92c90d2825fca2039f7494c8f6df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.586435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091528/publication.md
observed a2fc82df9fada7ec1c1569fb310087be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:47.569197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091528/publication.txt
observed 035d04c4d1cf5323f3d58e9e87e44b08...
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.