Pith Number

pith:4N7HIDGV

pith:2023:4N7HIDGVR3CLHV4WAKQJUU3AWV

not attested not anchored not stored refs pending

A Deficit of Massive White Dwarfs in Gaia Astrometric Binaries

Na'ama Hallakoun, Sagi Ben-Ami, Sahar Shahaf, Silvia Toonen, Tsevi Mazeh

arxiv:2311.17145 v2 · 2023-11-28 · astro-ph.SR · 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{4N7HIDGVR3CLHV4WAKQJUU3AWV}

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	2026-07-05T08:44:49.396780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37e740cd58ec4b3d79602a09a5360b5580439ea13e6a6034c7414cfecf92668

Aliases

arxiv: 2311.17145 · arxiv_version: 2311.17145v2 · doi: 10.48550/arxiv.2311.17145 · pith_short_12: 4N7HIDGVR3CL · pith_short_16: 4N7HIDGVR3CLHV4W · pith_short_8: 4N7HIDGV

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/4N7HIDGVR3CLHV4WAKQJUU3AWV \
  | 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: e37e740cd58ec4b3d79602a09a5360b5580439ea13e6a6034c7414cfecf92668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ce257926e38e39b6245dc86286f7b429609952aba1b87ca98892738a6c38c5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-11-28T19:00:00Z",
    "title_canon_sha256": "939468174dbaf0b293e65814b26332eabed5eecf8a27f1c4a66bb2e53430d66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.17145",
    "kind": "arxiv",
    "version": 2
  }
}