Pith Number

pith:JMSLCGSJ

pith:2010:JMSLCGSJHGUVLA2AK4MLVNU3LJ

not attested not anchored not stored refs pending

HyRec: A fast and highly accurate primordial hydrogen and helium recombination code

Christopher M. Hirata, Yacine Ali-Ha\"imoud

arxiv:1011.3758 v2 · 2010-11-16 · 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{JMSLCGSJHGUVLA2AK4MLVNU3LJ}

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.

Cited by

3 papers in Pith

Dark Matter Energy Deposition and Production from the Table-Top to the Cosmos

CMB constraints on ultra-light primordial black holes with extended mass distributions

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-18T02:23:36.519698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b24b11a4939a95583405718bab69b5a75e3650ccbe689f4179a5d2a7a65cc66

Aliases

arxiv: 1011.3758 · arxiv_version: 1011.3758v2 · doi: 10.48550/arxiv.1011.3758 · pith_short_12: JMSLCGSJHGUV · pith_short_16: JMSLCGSJHGUVLA2A · pith_short_8: JMSLCGSJ

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/JMSLCGSJHGUVLA2AK4MLVNU3LJ \
  | 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: 4b24b11a4939a95583405718bab69b5a75e3650ccbe689f4179a5d2a7a65cc66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6424bb57b7946611779983ee328d1c23728477ae4ee96e026bdf7e89a3f6e92d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-16T17:06:06Z",
    "title_canon_sha256": "c978ce0829e9b8a72881d5552535de1a3a15047deb3fada0fa8366ea4fc5210b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3758",
    "kind": "arxiv",
    "version": 2
  }
}