Pith Number

pith:N6DRAFN3

pith:2020:N6DRAFN3ULCXJ7QGOWPUAAHVQ2

not attested not anchored not stored refs pending

From SN2010da to NGC 300 ULX-1: Ten Years of Observations of an Unusual High Mass X-ray Binary in NGC 300

Breanna A. Binder, Marianne Heida, Ryan Lau, Stefania Carpano

arxiv:2002.04113 v1 · 2020-02-10 · 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{N6DRAFN3ULCXJ7QGOWPUAAHVQ2}

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	2026-07-05T00:39:42.401902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f871015bba2c574fe06759f4000f5869ab8ff6175b0678b7b6b9cc0dd2c0c85

Aliases

arxiv: 2002.04113 · arxiv_version: 2002.04113v1 · doi: 10.48550/arxiv.2002.04113 · pith_short_12: N6DRAFN3ULCX · pith_short_16: N6DRAFN3ULCXJ7QG · pith_short_8: N6DRAFN3

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/N6DRAFN3ULCXJ7QGOWPUAAHVQ2 \
  | 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: 6f871015bba2c574fe06759f4000f5869ab8ff6175b0678b7b6b9cc0dd2c0c85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "721d4787a0817736c181450fa2c8086e7ac2666753ba84a11b8f7dbd7834b931",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-02-10T22:14:40Z",
    "title_canon_sha256": "95ea999853f92a26e2bcd055ff56c77cdbf281f455e2973d9eecb2a32142c4dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04113",
    "kind": "arxiv",
    "version": 1
  }
}