Pith Number

pith:SRWWWVCT

pith:2014:SRWWWVCTCXHRHY2LTYKBXQT57P

not attested not anchored not stored refs pending

Cosmic backgrounds due to the formation of the first generation of supermassive black holes

Benjamin C. Harms, Biman B. Nath, Julia Becker Tjus, Lauren\c{t}iu I. Caramete, Peter L. Biermann, Todor Stanev

arxiv:1403.3804 v1 · 2014-03-15 · 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{SRWWWVCTCXHRHY2LTYKBXQT57P}

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	2026-05-18T01:44:00.861457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

946d6b545315cf13e34b9e141bc27dfbdd4c76871611fbce09681ef5bae777fc

Aliases

arxiv: 1403.3804 · arxiv_version: 1403.3804v1 · doi: 10.48550/arxiv.1403.3804 · pith_short_12: SRWWWVCTCXHR · pith_short_16: SRWWWVCTCXHRHY2L · pith_short_8: SRWWWVCT

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/SRWWWVCTCXHRHY2LTYKBXQT57P \
  | 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: 946d6b545315cf13e34b9e141bc27dfbdd4c76871611fbce09681ef5bae777fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6643b45824edf874abbc26879f9f1f1abf276876c03e9210552c08463a6120cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-03-15T13:44:57Z",
    "title_canon_sha256": "2d6aed9e0c703072f4e71a2a38bd6513bc353fddb9b57f1aa2284bbe8b77ed79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3804",
    "kind": "arxiv",
    "version": 1
  }
}