Pith Number

pith:YTHFWIW5

pith:2013:YTHFWIW56AAVH6ORG5MTZZRGH3

not attested not anchored not stored refs pending

The End of an Era - The Population III to Population II Transition and the Near Infrared Background

Elizabeth R. Fernandez, Saleem Zaroubi

arxiv:1301.6974 v2 · 2013-01-29 · 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{YTHFWIW56AAVH6ORG5MTZZRGH3}

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	2026-05-18T01:51:57.478883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4ce5b22ddf00153f9d137593ce6263ec8dbf8dab509843c299d5bdbb9d3b03c

Aliases

arxiv: 1301.6974 · arxiv_version: 1301.6974v2 · doi: 10.48550/arxiv.1301.6974 · pith_short_12: YTHFWIW56AAV · pith_short_16: YTHFWIW56AAVH6OR · pith_short_8: YTHFWIW5

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/YTHFWIW56AAVH6ORG5MTZZRGH3 \
  | 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: c4ce5b22ddf00153f9d137593ce6263ec8dbf8dab509843c299d5bdbb9d3b03c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "689a1e7780960452f9f1e11a2d007a1006cc138af6e46971ac0c4ab10116e48a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-29T16:38:53Z",
    "title_canon_sha256": "96556429fe067af4f732d0f7d46d744baed081e230fe901b2cc474ec7d6f2d6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.6974",
    "kind": "arxiv",
    "version": 2
  }
}