Pith Number

pith:PNCUILYK

pith:2012:PNCUILYK434M3KURHIF7J7ZMJK

not attested not anchored not stored refs pending

Revisiting The First Galaxies: The epoch of Population III stars

Alexander L. Muratov, Marcel Zemp, Nickolay Y. Gnedin, Oleg Y. Gnedin

arxiv:1212.1157 v2 · 2012-12-05 · 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{PNCUILYK434M3KURHIF7J7ZMJK}

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	2026-05-18T01:52:47.299632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b45442f0ae6f8cdaa913a0bf4ff2c4a86626234139cb012e32f44b23ef88446

Aliases

arxiv: 1212.1157 · arxiv_version: 1212.1157v2 · doi: 10.48550/arxiv.1212.1157 · pith_short_12: PNCUILYK434M · pith_short_16: PNCUILYK434M3KUR · pith_short_8: PNCUILYK

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/PNCUILYK434M3KURHIF7J7ZMJK \
  | 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: 7b45442f0ae6f8cdaa913a0bf4ff2c4a86626234139cb012e32f44b23ef88446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f52f9e78c3515da606573824f76133c07168a35d4ab8747955890c1a75a7d47a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-05T21:00:00Z",
    "title_canon_sha256": "bebcbd564514cf19390b8b05358db66bb8b38fb2632069f644173eeb3d137a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1157",
    "kind": "arxiv",
    "version": 2
  }
}