Pith Number

pith:VWTIBFR4

pith:2011:VWTIBFR4B4MILN6ZBQOFBSSVWO

not attested not anchored not stored refs pending

The First Galaxies

Naoki Yoshida, Volker Bromm

arxiv:1102.4638 v1 · 2011-02-22 · 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{VWTIBFR4B4MILN6ZBQOFBSSVWO}

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	2026-05-18T02:03:06.226094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ada680963c0f1885b7d90c1c50ca55b3bfe9f2d0b64ab473d76361057f46ac45

Aliases

arxiv: 1102.4638 · arxiv_version: 1102.4638v1 · doi: 10.48550/arxiv.1102.4638 · pith_short_12: VWTIBFR4B4MI · pith_short_16: VWTIBFR4B4MILN6Z · pith_short_8: VWTIBFR4

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/VWTIBFR4B4MILN6ZBQOFBSSVWO \
  | 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: ada680963c0f1885b7d90c1c50ca55b3bfe9f2d0b64ab473d76361057f46ac45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664f610c1aecb816a33b9fb08668c5e785b50bc92a15183f3072c0f13b2dae39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-02-22T23:23:49Z",
    "title_canon_sha256": "aeed270b68f4de45fb978b807e549dc1bd77ca0ee06ddec538214dff2cdd223d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4638",
    "kind": "arxiv",
    "version": 1
  }
}