Pith Number

pith:IM2L2U3L

pith:2018:IM2L2U3LRKEIQAZQJSAP3EVAHH

not attested not anchored not stored refs pending

Dark Matter microphysics and 21 cm observations

Laura Lopez-Honorez, Olga Mena, Pablo Villanueva-Domingo

arxiv:1811.02716 v1 · 2018-11-07 · 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{IM2L2U3LRKEIQAZQJSAP3EVAHH}

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	2026-05-17T23:55:11.103412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4334bd536b8a888803304c80fd92a039fec29b8403cd346d404002e052241683

Aliases

arxiv: 1811.02716 · arxiv_version: 1811.02716v1 · doi: 10.48550/arxiv.1811.02716 · pith_short_12: IM2L2U3LRKEI · pith_short_16: IM2L2U3LRKEIQAZQ · pith_short_8: IM2L2U3L

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/IM2L2U3LRKEIQAZQJSAP3EVAHH \
  | 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: 4334bd536b8a888803304c80fd92a039fec29b8403cd346d404002e052241683

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c08d501dee4ce2b34cc0c692fe615251e636b1f2f61b492bf938c8ad2490ce5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-07T01:26:08Z",
    "title_canon_sha256": "5b111fbe85e360a022971555a99b53b2c078b50ff4a012b5f996d4a33303a724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02716",
    "kind": "arxiv",
    "version": 1
  }
}