Pith Number

pith:52NYMMHK

pith:2018:52NYMMHKX2MTRY6VPTNRHSSRFT

not attested not anchored not stored refs pending

Baryon-dark matter scattering and first star formation

Shingo Hirano, Volker Bromm

arxiv:1803.10671 v2 · 2018-03-28 · astro-ph.GA · 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{52NYMMHKX2MTRY6VPTNRHSSRFT}

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	2026-05-18T00:10:02.197293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee9b8630eabe9938e3d57cdb13ca512cfa720facea5e7f18620c7f1a3fe55849

Aliases

arxiv: 1803.10671 · arxiv_version: 1803.10671v2 · doi: 10.48550/arxiv.1803.10671 · pith_short_12: 52NYMMHKX2MT · pith_short_16: 52NYMMHKX2MTRY6V · pith_short_8: 52NYMMHK

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/52NYMMHKX2MTRY6VPTNRHSSRFT \
  | 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: ee9b8630eabe9938e3d57cdb13ca512cfa720facea5e7f18620c7f1a3fe55849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7572aaf3359e4b52533b61a2948883201361b9805b732565803093655b1fc7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-03-28T15:13:09Z",
    "title_canon_sha256": "8eb82a07a0249d5c2422fcbdd3f0f5d60d5bdbfc9770f149b4703664488e779b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10671",
    "kind": "arxiv",
    "version": 2
  }
}