Pith Number

pith:UMCSKOMY

pith:2008:UMCSKOMY4KYC6GULFYJB6C4JLE

not attested not anchored not stored refs pending

Galaxies with Wolf-Rayet signatures in the low-redshift Universe - A survey using the Sloan Digital Sky Survey

2), (2) CAUP, (3) IAP), D. Kunth (3), F. Durret (3) ((1) Leiden Observatory, J. Brinchmann (1

arxiv:0805.1073 v1 · 2008-05-07 · 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{UMCSKOMY4KYC6GULFYJB6C4JLE}

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.

Cited by

2 papers in Pith

Diverse Histories and Common Origins of Nitrogen-enhanced JWST Galaxies

A Fleeting GLIMPSE of N/O Enrichment at Cosmic Dawn: Evidence for Wolf Rayet N Stars in a z = 6.1 Galaxy

Receipt and verification

First computed	2026-07-04T15:53:55.227444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a305253998e2b02f1a8b2e121f0b89591367b7d72cf4d3d98b6f4962e926555c

Aliases

arxiv: 0805.1073 · arxiv_version: 0805.1073v1 · doi: 10.48550/arxiv.0805.1073 · pith_short_12: UMCSKOMY4KYC · pith_short_16: UMCSKOMY4KYC6GUL · pith_short_8: UMCSKOMY

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/UMCSKOMY4KYC6GULFYJB6C4JLE \
  | 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: a305253998e2b02f1a8b2e121f0b89591367b7d72cf4d3d98b6f4962e926555c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48005ec5688ee3447d5771286e596e8856db26dbe41b8df9433329c3479b6e6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-05-07T21:41:18Z",
    "title_canon_sha256": "3a8dac3acb2664bead0399cc19499103613f64d7fe7d7310a447fd7039fb50ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.1073",
    "kind": "arxiv",
    "version": 1
  }
}