Pith Number

pith:5U6EUSJF

pith:2013:5U6EUSJFS7GINVZ67UI3FF6GWJ

not attested not anchored not stored refs pending

Complete history of the observable 21-cm signal from the first stars during the pre-reionization era

(2) University of Pennsylvania, (3) Harvard University), Anastasia Fialkov (1), Arazi Pinhas (2), Eli Visbal (3) ((1) Tel Aviv University, Rennan Barkana (1)

arxiv:1306.2354 v1 · 2013-06-10 · 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{5U6EUSJFS7GINVZ67UI3FF6GWJ}

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	2026-05-18T01:49:23.973946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed3c4a492597cc86d73efd11b297c6b27cc0251e3d313d976726230332821af9

Aliases

arxiv: 1306.2354 · arxiv_version: 1306.2354v1 · doi: 10.48550/arxiv.1306.2354 · pith_short_12: 5U6EUSJFS7GI · pith_short_16: 5U6EUSJFS7GINVZ6 · pith_short_8: 5U6EUSJF

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/5U6EUSJFS7GINVZ67UI3FF6GWJ \
  | 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: ed3c4a492597cc86d73efd11b297c6b27cc0251e3d313d976726230332821af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50701fa9dff27d8ffccf3b2631a79c6d6b64c84296e27956fb85cd5384bbb8d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-10T20:44:29Z",
    "title_canon_sha256": "0144e55a5737572632f854d45d5c5e871832c36ca62c10eb507d5dd642510bfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2354",
    "kind": "arxiv",
    "version": 1
  }
}