Pith Number

pith:C6NM6NNU

pith:2023:C6NM6NNUEKL3G2AEQVXH6NYMVT

not attested not anchored not stored refs pending

Constraints On Dark Matter From Reionization

Marco Castellano, Massimiliano Romanello, Nicola Menci

arxiv:2301.03854 v1 · 2023-01-10 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6NM6NNUEKL3G2AEQVXH6NYMVT}

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	2026-07-05T05:32:06.765936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

179acf35b42297b36804856e7f370cace98b7c1f89df22d1e0b045fa98740b61

Aliases

arxiv: 2301.03854 · arxiv_version: 2301.03854v1 · doi: 10.48550/arxiv.2301.03854 · pith_short_12: C6NM6NNUEKL3 · pith_short_16: C6NM6NNUEKL3G2AE · pith_short_8: C6NM6NNU

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/C6NM6NNUEKL3G2AEQVXH6NYMVT \
  | 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: 179acf35b42297b36804856e7f370cace98b7c1f89df22d1e0b045fa98740b61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c7c9b3ff1b3243ce1bb69afaed36c39fe6ab1e8e31d61ffda28c62b120baab8",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-01-10T08:52:54Z",
    "title_canon_sha256": "b5eabfd9923e66080432b726b270008ac0630093030ab6bc915f5096e9183186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.03854",
    "kind": "arxiv",
    "version": 1
  }
}