Pith Number

pith:PW2YKKBV

pith:2011:PW2YKKBVR7WNXNV4KDYP4JXJW5

not attested not anchored not stored refs pending

Probing Population III Stars in Galaxy IOK-1 at z = 6.96 through He II Emission

Ann Zabludoff, Eiichi Egami, Fuyan Bian, Ian McGreer, Linhua Jiang, Romeel Dave, S. Peng Oh, Xiaohui Fan, Yujin Yang, Zheng Cai

arxiv:1105.2319 v2 · 2011-05-11 · 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{PW2YKKBVR7WNXNV4KDYP4JXJW5}

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	2026-05-18T02:01:59.431942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7db58528358fecdbb6bc50f0fe26e9b7611a4690f55a02a4d407a9fb064743b8

Aliases

arxiv: 1105.2319 · arxiv_version: 1105.2319v2 · doi: 10.48550/arxiv.1105.2319 · pith_short_12: PW2YKKBVR7WN · pith_short_16: PW2YKKBVR7WNXNV4 · pith_short_8: PW2YKKBV

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/PW2YKKBVR7WNXNV4KDYP4JXJW5 \
  | 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: 7db58528358fecdbb6bc50f0fe26e9b7611a4690f55a02a4d407a9fb064743b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0671da262acd00237781f2a5ff22718e68216088ee79f931d34dccddb09f4f0",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-05-11T20:57:04Z",
    "title_canon_sha256": "712776b0060078ab5827ee81e604c75363999ef47ce0f7ee8e8d25f1d6fefd1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2319",
    "kind": "arxiv",
    "version": 2
  }
}