OpenTechnical

OT-2026-000055556

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000055556) never changes.

Identity and time

Publication numberOT-2026-000055556 · never reused
Internal UUID01a0ae86-a102-7041-a023-26efbecd96e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055556
StatusPUBLIC

Content hashes

Canonical text41a0d67b592dd5c5b8784f14f3013dfc3aaf5097a637b38a1f0b791e9b865240
Markdowndd232b03580cdcab62afc9bf462f625189ea15e7bc71843ed0b788ec9d285f4f
PDF
Publication page8f801d11557896c582dae470938f8180e97a0c1530aeea6f21a9182bb685f18e
Manifest2a1c43ff0e181791ae2b34dfff5d04669a211889ff46b3c433329b54e8d90f65

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
Signature4mKHyt+tY4ivX5P33aQvv7jumGZMrQkt/QxY8yRtZwIMJLZg0eDRH3O5oCwjtzr7kzmvG5eORsttGh3T8wHdAw==
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

2026-09-17T10:52:47.367846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055556
observed 8f801d11557896c582dae470938f8180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.351320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055556/manifest.json
observed 2a1c43ff0e181791ae2b34dfff5d0466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.329186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055556/publication.md
observed dd232b03580cdcab62afc9bf462f6251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:47.312489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055556/publication.txt
observed 41a0d67b592dd5c5b8784f14f3013dfc...
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.