Pith Number

pith:GQWKJHO2

pith:2015:GQWKJHO2NOFQELQ36K2NIAUUSD

not attested not anchored not stored refs pending

Exploring the nature of the Lyman-$\alpha$ emitter CR7

Daniel J. Whalen, Eric W. Pellegrini, Marta Volonteri, Mattis Magg, Muhammad A. Latif, Ralf S. Klessen, Simon C. O. Glover, Tilman Hartwig, Volker Bromm

arxiv:1512.01111 v3 · 2015-12-03 · astro-ph.GA · 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{GQWKJHO2NOFQELQ36K2NIAUUSD}

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	2026-05-18T01:09:36.305531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

342ca49dda6b8b022e1bf2b4d4029490f3cd3736c66e269050453b10e13a6547

Aliases

arxiv: 1512.01111 · arxiv_version: 1512.01111v3 · doi: 10.48550/arxiv.1512.01111 · pith_short_12: GQWKJHO2NOFQ · pith_short_16: GQWKJHO2NOFQELQ3 · pith_short_8: GQWKJHO2

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/GQWKJHO2NOFQELQ36K2NIAUUSD \
  | 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: 342ca49dda6b8b022e1bf2b4d4029490f3cd3736c66e269050453b10e13a6547

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c993e208ff62c0b7147d687da5ee9e0892a66a250830baab8dd0cdf4083fbf9a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-12-03T15:22:15Z",
    "title_canon_sha256": "d9a97d8e3b7f9c508bf71443d17581a8a7245ba90e5b075434e40d8b446b13a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01111",
    "kind": "arxiv",
    "version": 3
  }
}