Pith Number

pith:KVH45A7S

pith:2017:KVH45A7S33JAKRYSE2PNO3JZZJ

not attested not anchored not stored refs pending

The mass of the black hole in 1A 0620-00, revisiting the ellipsoidal light curve modeling

Edward L. Robinson, Frank Verbunt, Peter G. Jonker, Theo F.J. van Grunsven

arxiv:1708.08209 v1 · 2017-08-28 · 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{KVH45A7S33JAKRYSE2PNO3JZZJ}

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

Accreting stellar-mass black holes

Receipt and verification

First computed	2026-05-18T00:36:36.687540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

554fce83f2ded2054712269ed76d39ca42f1a8337201ead8ae7c47e4432bf6f0

Aliases

arxiv: 1708.08209 · arxiv_version: 1708.08209v1 · doi: 10.48550/arxiv.1708.08209 · pith_short_12: KVH45A7S33JA · pith_short_16: KVH45A7S33JAKRYS · pith_short_8: KVH45A7S

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/KVH45A7S33JAKRYSE2PNO3JZZJ \
  | 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: 554fce83f2ded2054712269ed76d39ca42f1a8337201ead8ae7c47e4432bf6f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43bc12f49295b12b207901f490ad4f5ea2e966dc622518668ef07e5e44ece6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-08-28T06:56:30Z",
    "title_canon_sha256": "eb52f37dceddd3dc615e2a29f8f95113703ee59dc6ed93e8444d27967c0fd562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08209",
    "kind": "arxiv",
    "version": 1
  }
}