Pith Number

pith:HP3MFRTU

pith:2014:HP3MFRTU7Z6HH74WTNZVU3WMQ2

not attested not anchored not stored refs pending

Early and Extended Helium Reionization Over More Than 600 Million Years of Cosmic Time

G\'abor Worseck (UCO/Lick Observatory & MPIA), Joseph F. Hennawi (MPIA), J. Xavier Prochaska (UCO/Lick Observatory), Matthew McQuinn (University of Washington)

arxiv:1405.7405 v2 · 2014-05-28 · 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{HP3MFRTU7Z6HH74WTNZVU3WMQ2}

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	2026-05-18T00:36:33.714578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bf6c2c674fe7c73ff969b735a6ecc869f945a01f9f87a07b16f4e0f065c0dc6

Aliases

arxiv: 1405.7405 · arxiv_version: 1405.7405v2 · doi: 10.48550/arxiv.1405.7405 · pith_short_12: HP3MFRTU7Z6H · pith_short_16: HP3MFRTU7Z6HH74W · pith_short_8: HP3MFRTU

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/HP3MFRTU7Z6HH74WTNZVU3WMQ2 \
  | 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: 3bf6c2c674fe7c73ff969b735a6ecc869f945a01f9f87a07b16f4e0f065c0dc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d84c01498630b6a775fa1665cbcd3c45d9efbb39e8b9af4e7aa17fd6adaa34ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-05-28T21:38:51Z",
    "title_canon_sha256": "2e61e3e9257d3b7f956f5df48d0c3bfa1b652af71dfbfcc2e7965791d11480e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7405",
    "kind": "arxiv",
    "version": 2
  }
}