OpenTechnical

OT-2026-000025825

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold 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-2026-000025825) never changes.

Identity and time

Publication numberOT-2026-000025825 · never reused
Internal UUID01a0ae71-a83e-7bd1-976b-c27fab6d5745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025825
StatusPUBLIC

Content hashes

Canonical textc74042161d8390e6df1435fc10dbfd805c461f46eeab97467dba5be1ba3d34a1
Markdown848f67f80796b0eb8df46bf98ec3f3df67ec00ec4214adeb332d8e862356153d
PDF
Publication page96c6b19233ded40fff1e6aadca16ad8ccd7a5fd8d2e0926aeb7f4e994c41841b
Manifest8cdd921a05216e1804d90eccf759f74346b2ecb7b2605b5a0d7ddeb5cd9e38ed

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
SignatureJH58XaaB/3kLVG8opwJEEFCecan3BECuPy3tLNLbOaJq9otBEmriFzmMm8CHBEDBiWA5bCtAnaa05K6ngLanCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:02.969564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025825
observed 96c6b19233ded40fff1e6aadca16ad8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.951268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025825/manifest.json
observed 8cdd921a05216e1804d90eccf759f743...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.932624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025825/publication.md
observed 848f67f80796b0eb8df46bf98ec3f3df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.914365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025825/publication.txt
observed c74042161d8390e6df1435fc10dbfd80...
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.