Pith Number

pith:FIMKVB5E

pith:2020:FIMKVB5E3MWQ4WHGMTGHVJODHJ

not attested not anchored not stored refs pending

Is HR 6819 a triple system containing a black hole? -- An alternative explanation

A. J. Frost, C. Hawcroft, D. M. Bowman, G. Banyard, H. Sana, J. Bodensteiner, K. Dsilva, L. Mahy, M. Abdul-Masih, M. Fabry, M. Reggiani, P. Marchant, T. Shenar

arxiv:2006.10770 v1 · 2020-06-18 · 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{FIMKVB5E3MWQ4WHGMTGHVJODHJ}

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	2026-07-05T01:34:01.770755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a18aa87a4db2d0e58e664cc7aa5c33a519a299c4f10274101b34a7664c788bd

Aliases

arxiv: 2006.10770 · arxiv_version: 2006.10770v1 · doi: 10.48550/arxiv.2006.10770 · pith_short_12: FIMKVB5E3MWQ · pith_short_16: FIMKVB5E3MWQ4WHG · pith_short_8: FIMKVB5E

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/FIMKVB5E3MWQ4WHGMTGHVJODHJ \
  | 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: 2a18aa87a4db2d0e58e664cc7aa5c33a519a299c4f10274101b34a7664c788bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa338f011a7a789c65fc222377c3be77107cf8be18b874bf0c38eca6612cd8ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-06-18T18:00:04Z",
    "title_canon_sha256": "06aa6c93e42ccba4c0ca009fbf9351e5b7362e8fa1e9e6a74ee8262d7ee1c9db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.10770",
    "kind": "arxiv",
    "version": 1
  }
}