Pith Number

pith:N4PWTNE5

pith:2018:N4PWTNE55JMDMT3KZASZ23KEZB

not attested not anchored not stored refs pending

Praesepe white dwarfs in Gaia DR2

(2) INAF-OAPD), L. R. Bedin (2). ((1) J.M.Univ.Liverpool, M. Salaris (1)

arxiv:1811.12825 v1 · 2018-11-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4PWTNE55JMDMT3KZASZ23KEZB}

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	2026-05-17T23:58:35.951310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f1f69b49dea58364f6ac8259d6d44c877e59aa36867337e0d1ffc19c8f2e260

Aliases

arxiv: 1811.12825 · arxiv_version: 1811.12825v1 · doi: 10.48550/arxiv.1811.12825 · pith_short_12: N4PWTNE55JMD · pith_short_16: N4PWTNE55JMDMT3K · pith_short_8: N4PWTNE5

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/N4PWTNE55JMDMT3KZASZ23KEZB \
  | 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: 6f1f69b49dea58364f6ac8259d6d44c877e59aa36867337e0d1ffc19c8f2e260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce4baca1a4d17e0a2bc842c0ddc22497bfdf971c60f23a91fed7605f9ba598aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-30T14:39:47Z",
    "title_canon_sha256": "077020b5acf8154e3d331415cdc7dbc9559553b15a4492c6d5f7d5468bae635e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12825",
    "kind": "arxiv",
    "version": 1
  }
}