OpenTechnical

OT-2026-000069776

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000069776) never changes.

Identity and time

Publication numberOT-2026-000069776 · never reused
Internal UUID01a0ae91-185f-732b-b3b3-bbd30311fd7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069776
StatusPUBLIC

Content hashes

Canonical texte6e03e8bb2ec5a6a4f766a78b27687a625eef1522da71c6cf24e1c6c1eb9495c
Markdownc3b4ca4f70c48b2081146d0f29dd2fa447a7fee95337ec9a6ed05038c63c13f0
PDF
Publication pageef5bb1a9bc9b4f20ac7145db79ccc88301a1dfeec27bcb8f5e05a43c967ad14f
Manifest98bfa72068119769ceacc6e428723c56337fd0c5049892be733e62ee98c1ea6a

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
Signature3j9z/znBPno3jmut9x6lOW3d68aU3C6VnU4h42u1W1sUVfBzg/tbYR06/AU+rmP2EskmxEFKH6rw3wu3ucVXCA==
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

2026-09-17T10:26:36.318948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069776
observed ef5bb1a9bc9b4f20ac7145db79ccc883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.299526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069776/manifest.json
observed 98bfa72068119769ceacc6e428723c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.282432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069776/publication.md
observed c3b4ca4f70c48b2081146d0f29dd2fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.264122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069776/publication.txt
observed e6e03e8bb2ec5a6a4f766a78b27687a6...
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.