Pith Number

pith:O3WUUAOV

pith:2026:O3WUUAOVTDRAZHRMCN3CLCDQUP

not attested not anchored not stored refs pending

V407 Vul: a triple star system with an AM CVn detectable by gravitational wave observatories

Alex Brown, Amalie Yates, Antonio C. Rodriguez, Dan Jarvis, Dave Sahman, Harry Dawson, Ingrid Pelisoli, James A. Garbutt, James McCormac, James Munday, Jan van Roestel, Joheen Chakraborty, Mark R. Kennedy, Martin Dyer, Matthew Green, Matti Dorsch, N. Castro Segura, Nicole Reindl, Nina Mackensen, Paul Kerry, P.-E. Tremblay, S.P. Littlefair, Stephan Geier, Steven G. Parsons, Tin Long Sunny Wong, V. S. Dhillon

arxiv:2607.25557 v1 · 2026-07-28 · 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{O3WUUAOVTDRAZHRMCN3CLCDQUP}

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	2026-07-29T01:25:46.859129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76ed4a01d598e20c9e2c1376258870a3c0f85a1e5c1104f2b9d4ad9666db0eb1

Aliases

arxiv: 2607.25557 · arxiv_version: 2607.25557v1 · doi: 10.48550/arxiv.2607.25557 · pith_short_12: O3WUUAOVTDRA · pith_short_16: O3WUUAOVTDRAZHRM · pith_short_8: O3WUUAOV

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/O3WUUAOVTDRAZHRMCN3CLCDQUP \
  | 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: 76ed4a01d598e20c9e2c1376258870a3c0f85a1e5c1104f2b9d4ad9666db0eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ef7cbc3e5d38f230c04fee8edefbd53930c1ca88c51ff7b9cf8596533ebaef",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-07-28T10:38:17Z",
    "title_canon_sha256": "4650fddb219b837e7207d33a309bcccd413f5cce323519dddc0620e7cf77c166"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25557",
    "kind": "arxiv",
    "version": 1
  }
}