OpenTechnical

OT-2026-000093365

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, supply line pressure sensor, 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-2026-000093365) never changes.

Identity and time

Publication numberOT-2026-000093365 · never reused
Internal UUID01a0ae9e-0912-7593-94bb-94037e6b4d11 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093365
StatusPUBLIC

Content hashes

Canonical text28c2c720b92afca02e13b5c22b79447d0ff2b76816c84ab862e4a411bcb4e894
Markdownbacb6a8e341d4044839398b69791eb15e9b48a4cb9c4c25c8a426aa89ac55ee5
PDF
Publication pagebeb641ebf5e85c84843ceaef4dd65d2d0ca2acca9240f6a3a32a3ad5e6775ca5
Manifestf302841f9a6eecf697afec57636dc91270651cbf155ce6f5303ccc2af3b927a3

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
Signature0rRvYT2hZUzhhYtw0mogg1n9LRtmWBRwXnzX2+rElv/l3eIZTuugb6spZ0AvRcHrUJQgbytJqbSNrV0uRp4IDg==
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

2026-09-17T09:40:45.394068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093365
observed beb641ebf5e85c84843ceaef4dd65d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:45.376620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093365/manifest.json
observed f302841f9a6eecf697afec57636dc912...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:45.359464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093365/publication.md
observed bacb6a8e341d4044839398b69791eb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:45.341516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093365/publication.txt
observed 28c2c720b92afca02e13b5c22b79447d...
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.