Pith Number

pith:JXUPZ5WI

pith:2013:JXUPZ5WI2E4BA5JVHOOCTHOYOA

not attested not anchored not stored refs pending

Photometric determination of the mass accretion rate of pre-main sequence stars. IV. Recent star formation in NGC 602

Giacomo Beccari, Guido De Marchi, Nino Panagia

arxiv:1307.8445 v1 · 2013-07-31 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JXUPZ5WI2E4BA5JVHOOCTHOYOA}

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	2026-05-18T01:48:32.116914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4de8fcf6c8d1381075353b9c299dd8700651c8cd6ba422298974737ab5da73b2

Aliases

arxiv: 1307.8445 · arxiv_version: 1307.8445v1 · doi: 10.48550/arxiv.1307.8445 · pith_short_12: JXUPZ5WI2E4B · pith_short_16: JXUPZ5WI2E4BA5JV · pith_short_8: JXUPZ5WI

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/JXUPZ5WI2E4BA5JVHOOCTHOYOA \
  | 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: 4de8fcf6c8d1381075353b9c299dd8700651c8cd6ba422298974737ab5da73b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a84888e9d0800752d857851c57d9a2b3fcf38bffe93cecdca5593ca3b681b61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-07-31T19:57:41Z",
    "title_canon_sha256": "dd0eab8c5d24d567b84187238a15ccfecdf48d2e74c00c8dca0c934d87a4364b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8445",
    "kind": "arxiv",
    "version": 1
  }
}