Pith Number

pith:ZBOQUFU2

pith:2020:ZBOQUFU2AFY3N6UDJFZSHIKFHL

not attested not anchored not stored refs pending

Radiative Transfer modeling of EC 53: An Episodically Accreting Class I Young Stellar Object

Benjamin A. MacFarlane, Carlos Contreras Pena, Dimitris Stamatellos, Doug Johnstone, Giseon Baek, Gregory Herczeg, Huei-Ru Vivien Chen, Jeong-Eun Lee, Klaus W. Hodapp, Sung-Ju Kang, Watson Varricatt

arxiv:2004.05600 v1 · 2020-04-12 · astro-ph.SR · astro-ph.EP · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBOQUFU2AFY3N6UDJFZSHIKFHL}

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	2026-07-05T01:05:47.294301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85d0a169a0171b6fa83497323a1453adc5be33dd3e5c2350c3a407cc5f465e1

Aliases

arxiv: 2004.05600 · arxiv_version: 2004.05600v1 · doi: 10.48550/arxiv.2004.05600 · pith_short_12: ZBOQUFU2AFY3 · pith_short_16: ZBOQUFU2AFY3N6UD · pith_short_8: ZBOQUFU2

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/ZBOQUFU2AFY3N6UDJFZSHIKFHL \
  | 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: c85d0a169a0171b6fa83497323a1453adc5be33dd3e5c2350c3a407cc5f465e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab720c70e7ba940021f2b319f4763aae80724be59186c432134adfc5e71be93b",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-04-12T12:35:55Z",
    "title_canon_sha256": "1c9c017a675e6bccf16ceb2c97e8ba6682f7d60193f8df639315b227cb3f7005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.05600",
    "kind": "arxiv",
    "version": 1
  }
}