OpenTechnical

OT-2026-000052813

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, vented before 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-2026-000052813) never changes.

Identity and time

Publication numberOT-2026-000052813 · never reused
Internal UUID01a0ae84-a42e-7362-853f-62d5114a98e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052813
StatusPUBLIC

Content hashes

Canonical textc4062c75ca45927b46aa80e540a04dde843bad0606a2ae9e6d1e4f9ecbec25cb
Markdown10fec240e00ed4108f77d71d7c16dcc4c1a72a500a274c1cbd3c7ffc2e22c988
PDF
Publication page6d521222e43fb40f4bc151d899f415dca48b7fdefd2c516f342049ed38f93f20
Manifestd3b2e9d236a758d91e59330bb062629bd51657b0cb1301a49f70f4229f1f7a4a

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
SignatureXFTgitfyt8SBTNKIY2A94x5bSAHJPXCb/Ome8CLtOdnBJ5tIzDJpvJCfFOlDit/3rp0L3eN/JSw4WqBnwneuDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:50.027042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052813
observed 6d521222e43fb40f4bc151d899f415dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:50.007371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052813/manifest.json
observed d3b2e9d236a758d91e59330bb062629b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.986642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052813/publication.md
observed 10fec240e00ed4108f77d71d7c16dcc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:49.966650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052813/publication.txt
observed c4062c75ca45927b46aa80e540a04dde...
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.