Pith Number

pith:GU6AAL4Q

pith:2020:GU6AAL4QG4SFTGFEWYEBGJOTM4

not attested not anchored not stored refs pending

The binary mass ratio in the black hole transient MAXI J1820+070

A. \'Alvarez-Hern\'andez, F. Jim\'enez-Ibarra, J. Casares, M. A. P. Torres, M. Armas Padilla, M. Heida, P. G. Jonker, T. Mu\~noz-Darias

arxiv:2003.02360 v2 · 2020-03-04 · 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{GU6AAL4QG4SFTGFEWYEBGJOTM4}

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	2026-07-05T00:58:49.830698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

353c002f9037245998a4b6081325d3670d0779d559a7b542fb7375dc7060764c

Aliases

arxiv: 2003.02360 · arxiv_version: 2003.02360v2 · doi: 10.48550/arxiv.2003.02360 · pith_short_12: GU6AAL4QG4SF · pith_short_16: GU6AAL4QG4SFTGFE · pith_short_8: GU6AAL4Q

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/GU6AAL4QG4SFTGFEWYEBGJOTM4 \
  | 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: 353c002f9037245998a4b6081325d3670d0779d559a7b542fb7375dc7060764c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e11492e315a34faf15f298f8224d73c7c1baa3c247e1d1b6aa06efc41232bc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-03-04T22:54:38Z",
    "title_canon_sha256": "620819924699898ea901fe5fd78395ecd60eafd9288a986da4a462872c784590"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02360",
    "kind": "arxiv",
    "version": 2
  }
}