Pith Number

pith:TDN6OG32

pith:2011:TDN6OG32P4OMHFEUUU2DNNFQRN

not attested not anchored not stored refs pending

Population III stars and the Long Gamma Ray Burst rate

B. Ciardi, M.A. Campisi, R. Salvaterra, U. Maio

arxiv:1106.1439 v1 · 2011-06-07 · 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{TDN6OG32P4OMHFEUUU2DNNFQRN}

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	2026-05-18T02:01:41.048615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98dbe71b7a7f1cc39494a53436b4b08b52984d6626c7442b0d4a9bb0389b2257

Aliases

arxiv: 1106.1439 · arxiv_version: 1106.1439v1 · doi: 10.48550/arxiv.1106.1439 · pith_short_12: TDN6OG32P4OM · pith_short_16: TDN6OG32P4OMHFEU · pith_short_8: TDN6OG32

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/TDN6OG32P4OMHFEUUU2DNNFQRN \
  | 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: 98dbe71b7a7f1cc39494a53436b4b08b52984d6626c7442b0d4a9bb0389b2257

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90d529a4c4819f6ee485f9c00032f1d24d1cbb98b2c5519422233a0c8b7b4cb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-06-07T20:00:35Z",
    "title_canon_sha256": "ddf9af87085a4a8eed999cacd1614d87cbec96ca078428ec787d00ea5cfe3cca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1439",
    "kind": "arxiv",
    "version": 1
  }
}