Pith Number

pith:K3TFPTFB

pith:2023:K3TFPTFBCF7WHORUW4FPVJCL5Q

not attested not anchored not stored refs pending

A helium-burning white dwarf binary as a supersoft X-ray source

A. Udalski, C. Maitra, D.A.H. Buckley, F. Haberl, H. Ritter, I.M. Monageng, J. Bodensteiner, J. Greiner, J.M. Burgess, K. Werner, N. Langer, P. Maggi, R. Jayaraman, R. Vanderspek, R. Willer

arxiv:2303.13338 v1 · 2023-03-23 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3TFPTFBCF7WHORUW4FPVJCL5Q}

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	2026-07-05T05:54:00.842613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56e657cca1117f63ba34b70afaa44bec0591021ff1ffab8fc0f16d168efeb43d

Aliases

arxiv: 2303.13338 · arxiv_version: 2303.13338v1 · doi: 10.48550/arxiv.2303.13338 · pith_short_12: K3TFPTFBCF7W · pith_short_16: K3TFPTFBCF7WHORU · pith_short_8: K3TFPTFB

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/K3TFPTFBCF7WHORUW4FPVJCL5Q \
  | 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: 56e657cca1117f63ba34b70afaa44bec0591021ff1ffab8fc0f16d168efeb43d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "076b8b3bcae2859e850f22e7f00dff37e7dac973f86a35143efe25a1a56cdc9c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-03-23T15:18:20Z",
    "title_canon_sha256": "0b3f0892cc1ff65932a43e0d204158b91e23c7bb329a2557a55d6122db5a892f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13338",
    "kind": "arxiv",
    "version": 1
  }
}