Pith Number

pith:NZTITXUJ

pith:2003:NZTITXUJQGMSHQJOJBWRJJY335

not attested not anchored not stored refs pending

HST Observations of Young Stellar Clusters in Nearby Galaxies

Garching), Soeren S. Larsen (ESO

arxiv:astro-ph/0309574 v1 · 2003-09-22 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NZTITXUJQGMSHQJOJBWRJJY335}

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	2026-07-04T14:12:55.040650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e6689de89819923c12e486d14a71bdf583788527bc5cb10ed88990735051a45

Aliases

arxiv: astro-ph/0309574 · arxiv_version: astro-ph/0309574v1 · doi: 10.48550/arxiv.astro-ph/0309574 · pith_short_12: NZTITXUJQGMS · pith_short_16: NZTITXUJQGMSHQJO · pith_short_8: NZTITXUJ

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/NZTITXUJQGMSHQJOJBWRJJY335 \
  | 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: 6e6689de89819923c12e486d14a71bdf583788527bc5cb10ed88990735051a45

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977674d49bea00bf2bac66bb50e8441a15f301b7e753ea85f273356e4459d314",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-22T11:51:58Z",
    "title_canon_sha256": "b2f47be35fcb30a681aa80a02a350a60270fb71c0ebf3163f07e22971f55b95b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309574",
    "kind": "arxiv",
    "version": 1
  }
}