Pith Number

pith:HGU444WR

pith:2020:HGU444WRF5OR5VQRFBTL6BEATB

not attested not anchored not stored refs pending

Geometry of the Draco C1 Symbiotic Binary

Borja Anguiano, Carles Badenes, Carlos Allende Prieto, Craig L. Sarazin, D. A. Garcia-Hernandez, David L. Nidever, Hannah M. Lewis, Joshua D. Simon, Katia Cunha, Keivan G. Stassun, Nathan De Lee, Nicholas W. Troup, Pedro A. Palicio, Phil Arras, Steven R. Majewski, Verne V. Smith, Zhi-Yun Li

arxiv:2008.05962 v2 · 2020-08-13 · 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{HGU444WRF5OR5VQRFBTL6BEATB}

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	2026-07-05T01:37:24.962887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a9ce72d12f5d1ed6112866bf0480985587d06bad26a2c3a5340fa41444df1b

Aliases

arxiv: 2008.05962 · arxiv_version: 2008.05962v2 · doi: 10.48550/arxiv.2008.05962 · pith_short_12: HGU444WRF5OR · pith_short_16: HGU444WRF5OR5VQR · pith_short_8: HGU444WR

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/HGU444WRF5OR5VQRFBTL6BEATB \
  | 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: 39a9ce72d12f5d1ed6112866bf0480985587d06bad26a2c3a5340fa41444df1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f139037a7ee2599b121bd30fe8b98b078ab39ade401985651f6f168636c10f31",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-08-13T15:11:53Z",
    "title_canon_sha256": "662ca6dc879712156893d213b8a5571070c7dcdefeb8e89e850686c598d6a9b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.05962",
    "kind": "arxiv",
    "version": 2
  }
}