OpenTechnical

OT-2026-000052825

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000052825) never changes.

Identity and time

Publication numberOT-2026-000052825 · never reused
Internal UUID01a0ae84-a42e-7766-9fc9-e7a7de9c96a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052825
StatusPUBLIC

Content hashes

Canonical texta549496ab889a9c1020683d8878820ce00922ed6e7fea2952f173886c80c5d96
Markdownccc2e450ed70ca600229fdc886ab448797b4a43395e6fa994ba8db0cce360980
PDF
Publication pagef681d6fa341b2e01c0780339e5d0f8b20f44f636a6ec66faf9d3151052bdeb5c
Manifest0de0e2375bececf0e47c8978e1b364cc8dbd06c50be180187509e30f0e2888fb

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
Signature64aQYCRF5GRjratuJQeAtu2E7CU1O6aZxRa3VwxYGjle5kupf42XR+Kb/enovpW7SucegXcqvN2pmOflBGR1Dg==
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

2026-09-17T10:55:51.029633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052825
observed f681d6fa341b2e01c0780339e5d0f8b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:51.010198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052825/manifest.json
observed 0de0e2375bececf0e47c8978e1b364cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.991496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052825/publication.md
observed ccc2e450ed70ca600229fdc886ab4487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.969319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052825/publication.txt
observed a549496ab889a9c1020683d8878820ce...
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.