Pith Number

pith:WJBSS22X

pith:2011:WJBSS22X2CLZX5G4J7UJJVZAU4

not attested not anchored not stored refs pending

The First Stars: Mass Growth Under Protostellar Feedback

A. Stacy, T. H. Greif, V. Bromm

arxiv:1109.3147 v2 · 2011-09-14 · 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{WJBSS22X2CLZX5G4J7UJJVZAU4}

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	2026-05-18T02:00:32.928545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b243296b57d0979bf4dc4fe894d720a72671656c5cc9b463f2e36a98f6c3b575

Aliases

arxiv: 1109.3147 · arxiv_version: 1109.3147v2 · doi: 10.48550/arxiv.1109.3147 · pith_short_12: WJBSS22X2CLZ · pith_short_16: WJBSS22X2CLZX5G4 · pith_short_8: WJBSS22X

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/WJBSS22X2CLZX5G4J7UJJVZAU4 \
  | 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: b243296b57d0979bf4dc4fe894d720a72671656c5cc9b463f2e36a98f6c3b575

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c95d639add12c907df6c8e959292b1656db57d6351a1e1a41d99968d32ccdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-14T17:45:26Z",
    "title_canon_sha256": "6b1f162a50eb502d4c8b79b2b46be32d5dc2d6bccd7de6c4387d35fb482c78c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3147",
    "kind": "arxiv",
    "version": 2
  }
}