Pith Number

pith:MQRNI7LW

pith:2019:MQRNI7LWZPL6WU6RW4XF2DBRFH

not attested not anchored not stored refs pending

Scalar field dark matter with a cosh potential, revisited

L. Arturo Ure\~na-L\'opez

arxiv:1904.03318 v2 · 2019-04-05 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQRNI7LWZPL6WU6RW4XF2DBRFH}

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	2026-05-17T23:42:41.859390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6422d47d76cbd7eb53d1b72e5d0c3129fdbe29e066dc4362507afc4b6dd86250

Aliases

arxiv: 1904.03318 · arxiv_version: 1904.03318v2 · doi: 10.48550/arxiv.1904.03318 · pith_short_12: MQRNI7LWZPL6 · pith_short_16: MQRNI7LWZPL6WU6R · pith_short_8: MQRNI7LW

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/MQRNI7LWZPL6WU6RW4XF2DBRFH \
  | 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: 6422d47d76cbd7eb53d1b72e5d0c3129fdbe29e066dc4362507afc4b6dd86250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b629bb4b53d82cae07974d2690311058821aebf5a5808b2c0a1659915b01efcd",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-05T23:07:21Z",
    "title_canon_sha256": "6cdb86d7ceaefd7f2aa214cbc725911ab892ff04834fe109f8e3c523db92bdf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03318",
    "kind": "arxiv",
    "version": 2
  }
}