Pith Number

pith:IQNPVJ4K

pith:2019:IQNPVJ4K3BUDXCOJ4DGIPG4W2T

not attested not anchored not stored refs pending

The O star hinterland of the Galactic starburst, NGC 3603

J. E. Drew, M. Mongui\'o, N. J. Wright

arxiv:1903.09053 v1 · 2019-03-21 · astro-ph.SR · 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{IQNPVJ4K3BUDXCOJ4DGIPG4W2T}

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	2026-05-17T23:49:01.421744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

441afaa78ad8683b89c9e0cc879b96d4d5d308be510047b4fcf86190594603ff

Aliases

arxiv: 1903.09053 · arxiv_version: 1903.09053v1 · doi: 10.48550/arxiv.1903.09053 · pith_short_12: IQNPVJ4K3BUD · pith_short_16: IQNPVJ4K3BUDXCOJ · pith_short_8: IQNPVJ4K

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/IQNPVJ4K3BUDXCOJ4DGIPG4W2T \
  | 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: 441afaa78ad8683b89c9e0cc879b96d4d5d308be510047b4fcf86190594603ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b517689c753f67a5a497a563b536a83aac8b0ad2646b30fceec0fbddb03042ab",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-03-21T15:23:00Z",
    "title_canon_sha256": "dd3ab4cb91ce73be44be33edf0f554bd70e4c7168ca6c5f5ea1b501bec453caa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09053",
    "kind": "arxiv",
    "version": 1
  }
}