OpenTechnical

OT-2026-000059204

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000059204) never changes.

Identity and time

Publication numberOT-2026-000059204 · never reused
Internal UUID01a0ae89-8613-722a-aa95-8673dd99e91a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059204
StatusPUBLIC

Content hashes

Canonical textb2f9d2c33748fae29e25f1f7fb68cf96883d4086dfcedcefc3c63e1d3da41abe
Markdown5672920df2ad3f923fe92ffcb1065ccf89551485805ae3c09ecefb3b27d992e9
PDF
Publication page692057bb0f4fce17c6f836a0f65cf749065f90c6df484e0a9e7676ebb0101073
Manifestf9ad66b7ccc27c6452adb98e7f2b8afa2ed03d27af2e88e7533eb6620eda3194

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
SignatureW5yeBLs546HP0HXWu+DXv8bCKFl0JP/rs+Tmfx1DOjK1oXAbn7F479Zg5ajoqWzIMMbvKagbsy+c4hE2jqkyCg==
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

2026-09-17T10:45:10.026659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059204
observed 692057bb0f4fce17c6f836a0f65cf749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:10.009693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059204/manifest.json
observed f9ad66b7ccc27c6452adb98e7f2b8afa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.991085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059204/publication.md
observed 5672920df2ad3f923fe92ffcb1065ccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:45:09.973656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059204/publication.txt
observed b2f9d2c33748fae29e25f1f7fb68cf96...
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.