Pith Number

pith:UUNZFZKY

pith:2009:UUNZFZKYZ332XH66XHOQ7CEFV6

not attested not anchored not stored refs pending

Tracers of stellar mass-loss. I. Optical and near-IR colours and surface brightness fluctuations

Gustavo Bruzual-A., Javier Ballesteros-Paredes, Laurent Loinard, Rosa A. Gonzalez-Lopezlira, Stephane Charlot

arxiv:0908.4133 v2 · 2009-08-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UUNZFZKYZ332XH66XHOQ7CEFV6}

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	2026-05-18T02:34:37.268656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a51b92e558cef7ab9fdeb9dd0f8885af8a3af44d12e76b2ac4ceb82aad4a660f

Aliases

arxiv: 0908.4133 · arxiv_version: 0908.4133v2 · doi: 10.48550/arxiv.0908.4133 · pith_short_12: UUNZFZKYZ332 · pith_short_16: UUNZFZKYZ332XH66 · pith_short_8: UUNZFZKY

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/UUNZFZKYZ332XH66XHOQ7CEFV6 \
  | 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: a51b92e558cef7ab9fdeb9dd0f8885af8a3af44d12e76b2ac4ceb82aad4a660f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ea0c5a127a293a6326b0386233b84dc14c2b29e6458ecfa7d5bcbf640a68c21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-28T05:03:16Z",
    "title_canon_sha256": "4c84ceca79105fc26d71fa9411385e9410b048591f73829e7a79669705b902f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4133",
    "kind": "arxiv",
    "version": 2
  }
}