Pith Number

pith:T7MSBU3Q

pith:2013:T7MSBU3Q74UCAKKYVZAXIDQLPV

not attested not anchored not stored refs pending

Toward a Spectroscopic Census of White Dwarfs Within 40 parsecs of the Sun

M.-M. Limoges, P. Bergeron, S. Lepine

arxiv:1303.2094 v1 · 2013-03-08 · 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{T7MSBU3Q74UCAKKYVZAXIDQLPV}

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	2026-05-18T01:51:09.556387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fd920d370ff28202958ae41740e0b7d41942fdacf0bef9d04bc58013c32c324

Aliases

arxiv: 1303.2094 · arxiv_version: 1303.2094v1 · doi: 10.48550/arxiv.1303.2094 · pith_short_12: T7MSBU3Q74UC · pith_short_16: T7MSBU3Q74UCAKKY · pith_short_8: T7MSBU3Q

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/T7MSBU3Q74UCAKKYVZAXIDQLPV \
  | 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: 9fd920d370ff28202958ae41740e0b7d41942fdacf0bef9d04bc58013c32c324

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9d982cefbcf1b82131b4ad0466596665db7d43680b80be47af0803c593321f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-08T19:58:27Z",
    "title_canon_sha256": "86cc464b49bbc28bc6accc5aaf3a0db10d52744c6bfecb3815a4ca3fe2b22fcd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2094",
    "kind": "arxiv",
    "version": 1
  }
}