Pith Number

pith:7NLZA7IO

pith:2019:7NLZA7IOWGTSZ5QJZTYWEXP6RI

not attested not anchored not stored refs pending

Using the Agile software development lifecycle to develop a standalone application for generating colour magnitude diagrams

K. Fitzgerald, L.-M. Browne, R.F. Butler

arxiv:1906.11147 v1 · 2019-06-26 · astro-ph.IM · astro-ph.GA · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7NLZA7IOWGTSZ5QJZTYWEXP6RI}

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	2026-05-17T23:42:09.695718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb57907d0eb1a72cf609ccf1625dfe8a1154701c25673bb3bbfda9cc8114e0e5

Aliases

arxiv: 1906.11147 · arxiv_version: 1906.11147v1 · doi: 10.48550/arxiv.1906.11147 · pith_short_12: 7NLZA7IOWGTS · pith_short_16: 7NLZA7IOWGTSZ5QJ · pith_short_8: 7NLZA7IO

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/7NLZA7IOWGTSZ5QJZTYWEXP6RI \
  | 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: fb57907d0eb1a72cf609ccf1625dfe8a1154701c25673bb3bbfda9cc8114e0e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a307ce6c31c54ae45bc98b557f1e41ca534de40c818d7a976b1fdfef3a9eb115",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-06-26T15:04:07Z",
    "title_canon_sha256": "13254859fab6b655c708fe5d1ef00af84746819e9c7adecba650ea09ff29e3c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11147",
    "kind": "arxiv",
    "version": 1
  }
}