Pith Number

pith:SXR52UY2

pith:2007:SXR52UY23DT3PJBMATOYIOBBAQ

not attested not anchored not stored refs pending

Intermediate to low-mass stellar content of Westerlund 1

Andrea Stolte, Ignacio Negueruela, J.Simon Clark, Rens Waters, Simon P. Goodwin, Wolfgang Brandner

arxiv:0711.1624 v1 · 2007-11-10 · 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{SXR52UY23DT3PJBMATOYIOBBAQ}

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	2026-07-04T17:06:37.069927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e3dd531ad8e7b7a42c04dd84382104351d81cceb9fd3337750fe5a49489e60

Aliases

arxiv: 0711.1624 · arxiv_version: 0711.1624v1 · doi: 10.48550/arxiv.0711.1624 · pith_short_12: SXR52UY23DT3 · pith_short_16: SXR52UY23DT3PJBM · pith_short_8: SXR52UY2

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/SXR52UY23DT3PJBMATOYIOBBAQ \
  | 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: 95e3dd531ad8e7b7a42c04dd84382104351d81cceb9fd3337750fe5a49489e60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "036611336ffedef7d09c775964e344819cc17369125539b8af37a8836452633a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-10T22:47:09Z",
    "title_canon_sha256": "9dd6858e177d5b1a2550eb4ece14db95ab3c85b73fa2eafe3afb0a8774b2864a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.1624",
    "kind": "arxiv",
    "version": 1
  }
}