OpenTechnical

OT-2026-000066408

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000066408) never changes.

Identity and time

Publication numberOT-2026-000066408 · never reused
Internal UUID01a0ae8e-ce40-786a-811d-7a1c38270625 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066408
StatusPUBLIC

Content hashes

Canonical textd7bc1ded48b8ea829fc60412b3e58213e2a6719df64dca2d9fc85abb324030e7
Markdownf279030aa66cd6811ae499067fb110b9a86d08e3d0b320e56acb6f4a1061e2a1
PDF
Publication page4ee4bd36a23d2df6a855acdd28f9ea8f8230ebc0cb3ae15328771346f99a096e
Manifestaeacc7ad518e18365b090fa176da1b2c285222f7bd0b77df27ad6b8232cbb120

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
SignatureK+jb6HdtFBEs87XVD7JJO9cLk0S+iukXbqgrBS/EDAp/vfUmImJEjqsgJUiS40VvVcqYk9oIoU1yqY3qhoMEDA==
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

2026-09-17T10:32:38.755541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066408
observed 4ee4bd36a23d2df6a855acdd28f9ea8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.737542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066408/manifest.json
observed aeacc7ad518e18365b090fa176da1b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.719002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066408/publication.md
observed f279030aa66cd6811ae499067fb110b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:38.701991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066408/publication.txt
observed d7bc1ded48b8ea829fc60412b3e58213...
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.