Pith Number

pith:TJ5ZJRCH

pith:2012:TJ5ZJRCH66H3SKPR3EMMS44K4W

not attested not anchored not stored refs pending

The First Stars and Galaxies - Basic Principles

Volker Bromm

arxiv:1203.3824 v1 · 2012-03-16 · 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{TJ5ZJRCH66H3SKPR3EMMS44K4W}

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	2026-05-18T03:59:48.884437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a7b94c447f78fb929f1d918c9738ae5b1fa544f2a40e71e6c4f4021a94cccca

Aliases

arxiv: 1203.3824 · arxiv_version: 1203.3824v1 · doi: 10.48550/arxiv.1203.3824 · pith_short_12: TJ5ZJRCH66H3 · pith_short_16: TJ5ZJRCH66H3SKPR · pith_short_8: TJ5ZJRCH

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/TJ5ZJRCH66H3SKPR3EMMS44K4W \
  | 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: 9a7b94c447f78fb929f1d918c9738ae5b1fa544f2a40e71e6c4f4021a94cccca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57f6ec339f3148d13d46bb168dd32aee7f87d035c39c57baefbb3ea8da10ff62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-16T22:14:38Z",
    "title_canon_sha256": "7b2651628c2e71237da27db1ed38d5d27a38eea0016053ec65c1c4535784a4da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3824",
    "kind": "arxiv",
    "version": 1
  }
}