Pith Number

pith:F734C4KW

pith:2020:F734C4KWVDHEQVJR2LIWDZB2R6

not attested not anchored not stored refs pending

Hoki: Making BPASS accessible through Python

Elizabeth Stanway, Heloise F. Stevance, J. J. Eldridge

arxiv:2001.11069 v1 · 2020-01-29 · astro-ph.SR · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F734C4KWVDHEQVJR2LIWDZB2R6}

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	2026-07-05T00:37:20.108362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff7c17156a8ce485531d2d161e43a8fb7d7f123eaaddf321e285c624544caef

Aliases

arxiv: 2001.11069 · arxiv_version: 2001.11069v1 · doi: 10.48550/arxiv.2001.11069 · pith_short_12: F734C4KWVDHE · pith_short_16: F734C4KWVDHEQVJR · pith_short_8: F734C4KW

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/F734C4KWVDHEQVJR2LIWDZB2R6 \
  | 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: 2ff7c17156a8ce485531d2d161e43a8fb7d7f123eaaddf321e285c624544caef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8a1186989b7d98515c559331fd6ece747c7688127bce93f15cc15e2517c4ff3",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-01-29T19:50:44Z",
    "title_canon_sha256": "25279f81a25194e38b940ad4676910b93401a05e5471779c3d6dba794f313f95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11069",
    "kind": "arxiv",
    "version": 1
  }
}