Pith Number

pith:HDCN5PW3

pith:2021:HDCN5PW3HJIHUKFHYDHCONH6H6

not attested not anchored not stored refs pending

V680 Mon -- a young mercury-manganese star in an eclipsing heartbeat system

E. Paunzen, K. Bernhard, M. Fedurco, M. Vanko, R. Komzik, S. Huemmerich

arxiv:2104.07627 v1 · 2021-04-15 · 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{HDCN5PW3HJIHUKFHYDHCONH6H6}

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.

Cited by

1 paper in Pith

Astronomical Cardiology II: A Search For Heartbeat Stars Using APOGEE and TESS

Receipt and verification

First computed	2026-07-05T02:39:18.209499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38c4debedb3a507a28a7c0ce2734fe3fb57992c3478e18f0f05115e8e8d850bb

Aliases

arxiv: 2104.07627 · arxiv_version: 2104.07627v1 · doi: 10.48550/arxiv.2104.07627 · pith_short_12: HDCN5PW3HJIH · pith_short_16: HDCN5PW3HJIHUKFH · pith_short_8: HDCN5PW3

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/HDCN5PW3HJIHUKFHYDHCONH6H6 \
  | 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: 38c4debedb3a507a28a7c0ce2734fe3fb57992c3478e18f0f05115e8e8d850bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64b5baf21708174b91d0c8fd77c13d7345bd6790753aec7169c989a3c5934708",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2021-04-15T17:44:09Z",
    "title_canon_sha256": "f1de61252cdc37ae516a51abb43e30c5d36cabb7e8ecda0de4ac0140d943aa81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07627",
    "kind": "arxiv",
    "version": 1
  }
}