Pith Number

pith:GG6RSSXF

pith:2014:GG6RSSXFDJQTXRHJTV4ZW44C7A

not attested not anchored not stored refs pending

Quasar Ionization Front Ly{\alpha} Emission in an Inhomogeneous Intergalactic Medium

Frederick B. Davies, Matthew McQuinn, Steven R. Furlanetto

arxiv:1409.0855 v1 · 2014-09-02 · 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{GG6RSSXFDJQTXRHJTV4ZW44C7A}

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.

Receipt and verification

First computed	2026-05-18T00:50:48.246708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31bd194ae51a613bc4e99d799b7382f83a89490e5f6b9885c3ceeac5c0caf788

Aliases

arxiv: 1409.0855 · arxiv_version: 1409.0855v1 · doi: 10.48550/arxiv.1409.0855 · pith_short_12: GG6RSSXFDJQT · pith_short_16: GG6RSSXFDJQTXRHJ · pith_short_8: GG6RSSXF

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/GG6RSSXFDJQTXRHJTV4ZW44C7A \
  | 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: 31bd194ae51a613bc4e99d799b7382f83a89490e5f6b9885c3ceeac5c0caf788

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b84f71c282289ada455eddcd0eba72e9d2065155780ad740fd2abe71fb3d89e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-09-02T20:00:00Z",
    "title_canon_sha256": "df836a5315c63a08667330e4579630efd67e67b2d76299b3d9254890e7621896"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0855",
    "kind": "arxiv",
    "version": 1
  }
}