Pith Number

pith:L4QK4IKI

pith:2014:L4QK4IKIMYIRIBRD6UQQE2BCNB

not attested not anchored not stored refs pending

An observable electron-positron anisotropy cannot be generated by dark matter

Stefano Profumo

arxiv:1405.4884 v2 · 2014-05-19 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4QK4IKIMYIRIBRD6UQQE2BCNB}

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	2026-05-18T02:26:02.747081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f20ae21486611140623f521026822684890285c21eada11ab521cef28e8b8f0

Aliases

arxiv: 1405.4884 · arxiv_version: 1405.4884v2 · doi: 10.48550/arxiv.1405.4884 · pith_short_12: L4QK4IKIMYIR · pith_short_16: L4QK4IKIMYIRIBRD · pith_short_8: L4QK4IKI

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/L4QK4IKIMYIRIBRD6UQQE2BCNB \
  | 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: 5f20ae21486611140623f521026822684890285c21eada11ab521cef28e8b8f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b1d61066c1b2a0e543609442f777a47c3eea03adfe718af3af6d0b5a6fc2062",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-05-19T20:33:08Z",
    "title_canon_sha256": "f597e4f3918f246769bc478c7831c879ed597a7d9c51ec744aced92dd4e140a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4884",
    "kind": "arxiv",
    "version": 2
  }
}