Pith Number

pith:FBDICKH3

pith:2011:FBDICKH3GC27PHNATGOSCOQZSN

not attested not anchored not stored refs pending

SPADES: a Stellar PArameters DEtermination Software

Ana Gomez, David Katz, Elisabetta Caffau, Frederic Arenou, Helene Posbic, Luca Sbordone, Piercarlo Bonifacio

arxiv:1111.0474 v1 · 2011-11-02 · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBDICKH3GC27PHNATGOSCOQZSN}

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	2026-05-18T01:59:48.450035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28468128fb30b5f79da0999d213a19937bbd3abade2c30bb17d5882d812fd927

Aliases

arxiv: 1111.0474 · arxiv_version: 1111.0474v1 · doi: 10.48550/arxiv.1111.0474 · pith_short_12: FBDICKH3GC27 · pith_short_16: FBDICKH3GC27PHNA · pith_short_8: FBDICKH3

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/FBDICKH3GC27PHNATGOSCOQZSN \
  | 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: 28468128fb30b5f79da0999d213a19937bbd3abade2c30bb17d5882d812fd927

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "133eee2eecd3fba9ff5ee1c34f1961fede22ae75d747167b8d094c66d1c9d230",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-02T12:17:57Z",
    "title_canon_sha256": "3c622fe04bd248fd5fbfd023e63401bfbf31dd685923228fbb24702fae3d8eea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0474",
    "kind": "arxiv",
    "version": 1
  }
}