Pith Number

pith:KU7TZ6GP

pith:2014:KU7TZ6GPZSN3NOTSV6VILCVS7P

not attested not anchored not stored refs pending

Constraining Very High Mass Population III Stars through He II Emission in Galaxy BDF-521 at z = 7.01

Ann Zabludoff, Linhua Jiang, Romeel Dave, S. Peng Oh, Xiaohui Fan, Yujin Yang, Zheng Cai

arxiv:1412.3845 v1 · 2014-12-11 · 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{KU7TZ6GPZSN3NOTSV6VILCVS7P}

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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.

Receipt and verification

First computed	2026-05-18T01:41:19.678857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

553f3cf8cfcc9bb6ba72afaa858ab2fbc16fe9a2493b2742f06ff0be7e18ca00

Aliases

arxiv: 1412.3845 · arxiv_version: 1412.3845v1 · doi: 10.48550/arxiv.1412.3845 · pith_short_12: KU7TZ6GPZSN3 · pith_short_16: KU7TZ6GPZSN3NOTS · pith_short_8: KU7TZ6GP

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/KU7TZ6GPZSN3NOTSV6VILCVS7P \
  | 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: 553f3cf8cfcc9bb6ba72afaa858ab2fbc16fe9a2493b2742f06ff0be7e18ca00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b2ba9c00b8c4ec3390a7b06433b953382f94846704296966719520c71725358",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-12-11T22:26:13Z",
    "title_canon_sha256": "54b49121c1b892881ba8ef7528daeed3e05f591879629ef87ccc4e50fba113d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.3845",
    "kind": "arxiv",
    "version": 1
  }
}