OpenTechnical

OT-2026-000007500

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000007500) never changes.

Identity and time

Publication numberOT-2026-000007500 · never reused
Internal UUID01a0ae62-4df4-72c4-9c60-e174da8c4367 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007500
StatusPUBLIC

Content hashes

Canonical texte3fb6e51f66d936df207581a0337ac198c5201dcb13bd8e4b0e951d9833a35c7
Markdown85f744e2d59ee7c86ee91dc3bccda672589baeaada76c42d3cb3d140bb705983
PDF
Publication page5f6930617ca99536b198e8a50bda22040e43579702ff410f44c1e898d47abec9
Manifest5be26ea1487e6461af3295ffe90aa82d586920817279173426e6db5294fd3411

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
SignaturevBo/vkTTGwUotfL19P4N76Lnv8nL1QdH4PfysXGklFeJQaNsF2gAph5j0bCBBuxfyFA1bDZxhbwMHTNkUS5pAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:20.343104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007500
observed 5f6930617ca99536b198e8a50bda2204...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.324641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007500/manifest.json
observed 5be26ea1487e6461af3295ffe90aa82d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.306575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007500/publication.md
observed 85f744e2d59ee7c86ee91dc3bccda672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:20.287976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007500/publication.txt
observed e3fb6e51f66d936df207581a0337ac19...
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.