OpenTechnical

OT-2026-000020929

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000020929) never changes.

Identity and time

Publication numberOT-2026-000020929 · never reused
Internal UUID01a0ae6f-65e4-79ce-87e8-8056679b4e03 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020929
StatusPUBLIC

Content hashes

Canonical text475564a6a44ee3885ba807cc3a3c760fd385df4e8ed941a80024a9c6950d3fce
Markdowna740dc7fe9049ebea2689d843df27fa50cbab6cb99a1d3bb765c6aeb583a020c
PDF
Publication pagea7b714bff95dc4785c9cdef22fd4bf31191c6df175c9e313144adfa77d8d7128
Manifest0cd4464519aa5a1b3eafe10c6411286114243c3c17ff1a147ab63f56a4ac72f6

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
Signature8RbiZJoFFdLqidDHRWW+Ml8tmQ9nMJaXPTiHfe8wlgMrf7n5Cg/VAn3CFigrH/vRR0Gi7oNdcxJc2dmB5pw9Aw==
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

2026-09-17T11:56:03.328057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020929
observed a7b714bff95dc4785c9cdef22fd4bf31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.310996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020929/manifest.json
observed 0cd4464519aa5a1b3eafe10c64112861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.292246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020929/publication.md
observed a740dc7fe9049ebea2689d843df27fa5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:03.274120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020929/publication.txt
observed 475564a6a44ee3885ba807cc3a3c760f...
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.