Pith Number

pith:TQWRKPXD

pith:2015:TQWRKPXDMXKVYIN4KQFM5BO6NV

not attested not anchored not stored refs pending

Dark Radiation from a hidden U(1)

Hendrik Vogel, Javier Redondo

arxiv:1504.06222 v1 · 2015-04-23 · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQWRKPXDMXKVYIN4KQFM5BO6NV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:18:02.222957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c2d153ee365d55c21bc540ace85de6d6b46a323e29ff2efb0da1d4ad29664e6

Aliases

arxiv: 1504.06222 · arxiv_version: 1504.06222v1 · doi: 10.48550/arxiv.1504.06222 · pith_short_12: TQWRKPXDMXKV · pith_short_16: TQWRKPXDMXKVYIN4 · pith_short_8: TQWRKPXD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/TQWRKPXDMXKVYIN4KQFM5BO6NV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 9c2d153ee365d55c21bc540ace85de6d6b46a323e29ff2efb0da1d4ad29664e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6372f03dfd8ceba50d1ade9dad270e0f95819b25f4e7fe0c36dd2eec317e9268",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-04-23T15:27:16Z",
    "title_canon_sha256": "1e847ecaa57fb30de269d517b2e2f93f74a28cab4bfd257ea60ecef3435ef590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06222",
    "kind": "arxiv",
    "version": 1
  }
}