Pith Number

pith:3EYFZ6IU

pith:2012:3EYFZ6IUB6NFGH35RK7H4435DH

not attested not anchored not stored refs pending

Star Formation in the First Galaxies I: Collapse Delayed by Lyman-Werner Radiation

Anshu Dubey, Chalence Safranek-Shrader, Christoph Federrath, Meghann Agarwal, Milos Milosavljevic, Volker Bromm

arxiv:1205.3835 v2 · 2012-05-17 · 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{3EYFZ6IUB6NFGH35RK7H4435DH}

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	2026-05-18T03:32:28.503642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9305cf9140f9a531f7d8abe7e737d19d26805f0b61d8d7eeeec29a74f7f0d66

Aliases

arxiv: 1205.3835 · arxiv_version: 1205.3835v2 · doi: 10.48550/arxiv.1205.3835 · pith_short_12: 3EYFZ6IUB6NF · pith_short_16: 3EYFZ6IUB6NFGH35 · pith_short_8: 3EYFZ6IU

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/3EYFZ6IUB6NFGH35RK7H4435DH \
  | 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: d9305cf9140f9a531f7d8abe7e737d19d26805f0b61d8d7eeeec29a74f7f0d66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6810f3e53240d47c877c4f2ff1c7f73c8b55f63dcd96159e431165db187f83a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-17T01:12:50Z",
    "title_canon_sha256": "6e266ba1e55ac2f2a2d3abe6364345c1bb0fbdcedb3a1c06958c3e4f33821f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3835",
    "kind": "arxiv",
    "version": 2
  }
}