Pith Number

pith:BUPYFUB2

pith:2021:BUPYFUB276SQA7WQHLWY7DHWDZ

not attested not anchored not stored refs pending

Towards a volumetric census of close white dwarf binaries I.Reference samples

A. F. Pala, B. T. Gaensicke, E. Breedt, K. Inight, R. Raddi, T. R. Marsh

arxiv:2103.06892 v2 · 2021-03-11 · 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{BUPYFUB276SQA7WQHLWY7DHWDZ}

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	2026-07-05T02:39:44.865282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d1f82d03affa5007ed03aed8f8cf61e733a998bb2c56b15269b8377314e8e8c

Aliases

arxiv: 2103.06892 · arxiv_version: 2103.06892v2 · doi: 10.48550/arxiv.2103.06892 · pith_short_12: BUPYFUB276SQ · pith_short_16: BUPYFUB276SQA7WQ · pith_short_8: BUPYFUB2

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/BUPYFUB276SQA7WQHLWY7DHWDZ \
  | 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: 0d1f82d03affa5007ed03aed8f8cf61e733a998bb2c56b15269b8377314e8e8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43c828931deceb5a6fdc117862ee736a1f6510e5c699d8ed25ab9886a1187e85",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-03-11T19:00:02Z",
    "title_canon_sha256": "f71504565ac975a504f7097cd71b49ba7b8fb54421104d45fdbb596444e06e27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.06892",
    "kind": "arxiv",
    "version": 2
  }
}