Pith Number

pith:T64TV3HI

pith:2013:T64TV3HIUQXV7DF7ME24MYLYEP

not attested not anchored not stored refs pending

New Measurements of the Ionizing Ultraviolet Background over 2 < z < 5 and Implications for Hydrogen Reionization

George D. Becker, James S. Bolton

arxiv:1307.2259 v2 · 2013-07-08 · 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{T64TV3HIUQXV7DF7ME24MYLYEP}

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

The Lumina Project: Intergalactic Clumping and Recombination Sinks

Receipt and verification

First computed	2026-05-18T01:48:58.492171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fb93aece8a42f5f8cbf6135c6617823ff1697c95bf49b8717c0090d6ddb0b15

Aliases

arxiv: 1307.2259 · arxiv_version: 1307.2259v2 · doi: 10.48550/arxiv.1307.2259 · pith_short_12: T64TV3HIUQXV · pith_short_16: T64TV3HIUQXV7DF7 · pith_short_8: T64TV3HI

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/T64TV3HIUQXV7DF7ME24MYLYEP \
  | 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: 9fb93aece8a42f5f8cbf6135c6617823ff1697c95bf49b8717c0090d6ddb0b15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e458869d2567260b613e9e291c3f869829f2100cc2d2ab66d47fa038b7f2b51",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-08T20:24:22Z",
    "title_canon_sha256": "c583680a56239e6d4fbf628653a8743250c5eee735384a84470389d7aef1ead8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2259",
    "kind": "arxiv",
    "version": 2
  }
}