Pith Number

pith:FORRN3RY

pith:2024:FORRN3RYPPFWEQBSIKK5FUQOW3

not attested not anchored not stored refs pending

Accretion onto WD 2226$-$210, the central star of the Helix Nebula

D. A. Vasquez-Torres, J. A. Toal\'a, M. A. Guerrero, R. F. Maldonado, S. Estrada-Dorado, V. Lora, Y.-H. Chu

arxiv:2412.07863 v1 · 2024-12-10 · astro-ph.SR · 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{FORRN3RYPPFWEQBSIKK5FUQOW3}

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	2026-07-05T09:47:40.372187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba316ee387bcb6240324295d2d20eb6f806cd6a485f6b0c2c8846d7e649002b

Aliases

arxiv: 2412.07863 · arxiv_version: 2412.07863v1 · doi: 10.48550/arxiv.2412.07863 · pith_short_12: FORRN3RYPPFW · pith_short_16: FORRN3RYPPFWEQBS · pith_short_8: FORRN3RY

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/FORRN3RYPPFWEQBSIKK5FUQOW3 \
  | 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: 2ba316ee387bcb6240324295d2d20eb6f806cd6a485f6b0c2c8846d7e649002b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdc0d4a261f6c80f67a7a378b0ddbfefec33db9a18cd272125e3c0dc1518eeac",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-12-10T19:10:19Z",
    "title_canon_sha256": "a45809154006e74453319bde4490f7995d950ca20ae3a7cbee1c03549445d580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.07863",
    "kind": "arxiv",
    "version": 1
  }
}