Pith Number

pith:ACLZ72K2

pith:2013:ACLZ72K2OWCZU3G56CGRAL3RMG

not attested not anchored not stored refs pending

Search for dark matter in compact hydrogen clouds

N. Mirabal

arxiv:1304.2478 v1 · 2013-04-09 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ACLZ72K2OWCZU3G56CGRAL3RMG}

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	2026-05-18T01:50:41.281293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00979fe95a75859a6cddf08d102f716180b4763054b9d1907dc436b5c820aa6f

Aliases

arxiv: 1304.2478 · arxiv_version: 1304.2478v1 · doi: 10.48550/arxiv.1304.2478 · pith_short_12: ACLZ72K2OWCZ · pith_short_16: ACLZ72K2OWCZU3G5 · pith_short_8: ACLZ72K2

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/ACLZ72K2OWCZU3G56CGRAL3RMG \
  | 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: 00979fe95a75859a6cddf08d102f716180b4763054b9d1907dc436b5c820aa6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a86de1addf847065fe0cd63d34008514d66145e33e157ca93b81e2dd2a0e3c06",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-09T07:47:36Z",
    "title_canon_sha256": "f0b4cd4fa113450adfb1208c7dad065555a27a00691ad27d6a05168374fd59da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2478",
    "kind": "arxiv",
    "version": 1
  }
}