OpenTechnical

OT-2026-000063528

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000063528) never changes.

Identity and time

Publication numberOT-2026-000063528 · never reused
Internal UUID01a0ae8c-f945-7a4d-b95c-9614efdef585 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063528
StatusPUBLIC

Content hashes

Canonical text179586a9c3a7fd8e61612ea7912f353bad2f73faa44c44d2e280084b13ab3c74
Markdown5db9ba6da35485efb347dd339f0060d5ed340d5cbff1f3ceaf14164717a44e50
PDF
Publication page8812fc7ed5129177db54691499b0ea2263322378a9758bc999fda41f43fc153d
Manifest0b7e9e50bdefdd221384cb5e45780d0d5f21feadc58b925a7856250472c27289

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
SignatureP63eQBZVgcVrFF8pSyQDMH89ijn2i5qROMrgiIAQzFTNo4DBkrc0dh2PnJHIwCQ+thgYRG6ngh4nUjDNOsCICA==
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

2026-09-17T10:37:31.098242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063528
observed 8812fc7ed5129177db54691499b0ea22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.078753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063528/manifest.json
observed 0b7e9e50bdefdd221384cb5e45780d0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.059043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063528/publication.md
observed 5db9ba6da35485efb347dd339f0060d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:31.038400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063528/publication.txt
observed 179586a9c3a7fd8e61612ea7912f353b...
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.