Pith Number

pith:SNYVT4N2

pith:2011:SNYVT4N27YTE34ZHKDA3PB52O6

not attested not anchored not stored refs pending

Spectral Energy Distributions of a set of HII regions in M33 (HerM33es)

C. Henkel, C. Kramer, D. Calzetti, E. M. Xilouris, HerM33es Team, I. Perez, J. Braine, M. Boquien, M. Relano, S. Verley

arxiv:1111.5427 v1 · 2011-11-23 · 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{SNYVT4N27YTE34ZHKDA3PB52O6}

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	2026-05-18T01:59:26.456199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

937159f1bafe264df32750c1b787ba77a4b8f59871ec9b8998716e22880c1fbb

Aliases

arxiv: 1111.5427 · arxiv_version: 1111.5427v1 · doi: 10.48550/arxiv.1111.5427 · pith_short_12: SNYVT4N27YTE · pith_short_16: SNYVT4N27YTE34ZH · pith_short_8: SNYVT4N2

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/SNYVT4N27YTE34ZHKDA3PB52O6 \
  | 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: 937159f1bafe264df32750c1b787ba77a4b8f59871ec9b8998716e22880c1fbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d60528418669622aa2c8de70b735b76bc16f86dbdb11ae92967f6b8398f715b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-23T08:20:20Z",
    "title_canon_sha256": "994c15f2aeff4b161d779f0a60be81d62c78f8cf7b35721007fac8737ec33acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5427",
    "kind": "arxiv",
    "version": 1
  }
}