Pith Number

pith:H4TA2ZV2

pith:2007:H4TA2ZV2POV5FCEXU33UH4S5GD

not attested not anchored not stored refs pending

New bounds on millicharged particles from cosmology

Alessandro Melchiorri, Alessandro Strumia, Antonello Polosa

arxiv:hep-ph/0703144 v2 · 2007-03-14 · 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{H4TA2ZV2POV5FCEXU33UH4S5GD}

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	2026-07-04T15:25:15.508760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f260d66ba7babd28897a6f743f25d30f05c51a022ff2cf6ec0c127accd6bbe3

Aliases

arxiv: hep-ph/0703144 · arxiv_version: hep-ph/0703144v2 · doi: 10.48550/arxiv.hep-ph/0703144 · pith_short_12: H4TA2ZV2POV5 · pith_short_16: H4TA2ZV2POV5FCEX · pith_short_8: H4TA2ZV2

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/H4TA2ZV2POV5FCEXU33UH4S5GD \
  | 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: 3f260d66ba7babd28897a6f743f25d30f05c51a022ff2cf6ec0c127accd6bbe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a016274df855a00d85b06ce8b82c2bf1954e455f1c6c704510df79c21dbec595",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "2007-03-14T18:24:52Z",
    "title_canon_sha256": "b831d8dc50bc1d102d3381826b11d532fd5778df133499461351d5e43ffbda9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/0703144",
    "kind": "arxiv",
    "version": 2
  }
}