Pith Number

pith:IOHBKA6Z

pith:2021:IOHBKA6Z5I3F6HJMPY3VQIH66C

not attested not anchored not stored refs pending

Accretion geometry of the black hole binary MAXI J1820+070 probed by frequency-resolved spectroscopy

Alexandra Veledina, Magnus Axelsson

arxiv:2103.08795 v1 · 2021-03-16 · 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{IOHBKA6Z5I3F6HJMPY3VQIH66C}

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	2026-07-05T03:04:22.001802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438e1503d9ea365f1d2c7e375820fef0b234c392726df15a8695077f2af17468

Aliases

arxiv: 2103.08795 · arxiv_version: 2103.08795v1 · doi: 10.48550/arxiv.2103.08795 · pith_short_12: IOHBKA6Z5I3F · pith_short_16: IOHBKA6Z5I3F6HJM · pith_short_8: IOHBKA6Z

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/IOHBKA6Z5I3F6HJMPY3VQIH66C \
  | 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: 438e1503d9ea365f1d2c7e375820fef0b234c392726df15a8695077f2af17468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56004edff964106072db6c1f6397c76825d049b6b6695bc1053942a9f0e3a4e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-03-16T01:27:40Z",
    "title_canon_sha256": "36c5e43b5014db7b0ae782f491aec21e42a40536fe84872b0c1f7b35ef668a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08795",
    "kind": "arxiv",
    "version": 1
  }
}