Pith Number

pith:EL4HVAKN

pith:2007:EL4HVAKNSSIIQPXREDBSUTOXJQ

not attested not anchored not stored refs pending

The History and Morphology of Helium Reionization

S. Peng Oh (UCSB), Steven Furlanetto (Yale, UCLA)

arxiv:0711.1542 v2 · 2007-11-09 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EL4HVAKNSSIIQPXREDBSUTOXJQ}

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

1 paper in Pith

Probing the limits of cosmological information from the Lyman-$\alpha$ forest 2-point correlation functions

Receipt and verification

First computed	2026-07-04T17:06:36.764624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22f87a814d9490883ef120c32a4dd74c2a42a3053d848239be688d1e6532ab17

Aliases

arxiv: 0711.1542 · arxiv_version: 0711.1542v2 · doi: 10.48550/arxiv.0711.1542 · pith_short_12: EL4HVAKNSSII · pith_short_16: EL4HVAKNSSIIQPXR · pith_short_8: EL4HVAKN

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/EL4HVAKNSSIIQPXREDBSUTOXJQ \
  | 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: 22f87a814d9490883ef120c32a4dd74c2a42a3053d848239be688d1e6532ab17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7353dd2fbb0e8ffec93f69f1df8ace33dd2825ea1b9253868325b78fb3070adf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-09T21:23:04Z",
    "title_canon_sha256": "c4f55e48ece8cd82718d61363c09c9a5ae1a0365037054463ac48b4ae2c67e61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1542",
    "kind": "arxiv",
    "version": 2
  }
}