Pith Number

pith:NLPXIVTV

pith:2015:NLPXIVTVIV5F6IG67O4JEKQXI5

not attested not anchored not stored refs pending

The redshift evolution of escape fraction of hydrogen ionizing photons from galaxies

Prakash Gaikwad, Raghunathan Srianand, Tirthankar Roy Choudhury, Vikram Khaire

arxiv:1510.04700 v2 · 2015-10-15 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLPXIVTVIV5F6IG67O4JEKQXI5}

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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

A Measurement of the Thermal and Ionization State of the IGM at $z < 0.5$

Receipt and verification

First computed	2026-05-18T01:04:50.404255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6adf745675457a5f20defbb8922a1747422618050a3c45e6854a51fb5a609e8a

Aliases

arxiv: 1510.04700 · arxiv_version: 1510.04700v2 · doi: 10.48550/arxiv.1510.04700 · pith_short_12: NLPXIVTVIV5F · pith_short_16: NLPXIVTVIV5F6IG6 · pith_short_8: NLPXIVTV

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/NLPXIVTVIV5F6IG67O4JEKQXI5 \
  | 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: 6adf745675457a5f20defbb8922a1747422618050a3c45e6854a51fb5a609e8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d086543159f67d80db9f053914137e9bcb671f5b49a7139ef690a53547caea",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-10-15T20:04:09Z",
    "title_canon_sha256": "d228a55fe902de5cdb1003f08d8c400e1795b37e1728f0f0b3e7f3838e6f2e43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.04700",
    "kind": "arxiv",
    "version": 2
  }
}