Pith Number

pith:P3LZDHZT

pith:2009:P3LZDHZTYXUAOWKVUATTTTDSJJ

not attested not anchored not stored refs pending

Mid-Infrared diagnostics of metal-rich HII regions from VLT and Spitzer Spectroscopy of Young Massive Stars in W31

Brazil), CL Barbosa (Univ do vale do Paraiba, JP Furness (Univ Sheffield UK), PA Crowther (Univ Sheffield UK), PS Conti (JILA), PW Morris (Herschel Science Center/CalTech), RD Blum (NOAO), SD van Dyk (Spitzer Science Center/CalTech)

arxiv:0912.2544 v1 · 2009-12-13 · astro-ph.SR · 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{P3LZDHZTYXUAOWKVUATTTTDSJJ}

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	2026-05-18T02:10:24.020688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ed7919f33c5e8075955a02739cc724a464b4ddee45c4653766b15932a45b9e2

Aliases

arxiv: 0912.2544 · arxiv_version: 0912.2544v1 · doi: 10.48550/arxiv.0912.2544 · pith_short_12: P3LZDHZTYXUA · pith_short_16: P3LZDHZTYXUAOWKV · pith_short_8: P3LZDHZT

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/P3LZDHZTYXUAOWKVUATTTTDSJJ \
  | 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: 7ed7919f33c5e8075955a02739cc724a464b4ddee45c4653766b15932a45b9e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "472735e6e7d0136923d2f2f2c2487d5bd86c4a229aafcb10480a3c9688557368",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-12-13T22:13:28Z",
    "title_canon_sha256": "ba67bb0a2f7b9f4865442b617fd321a3273c3ae779cb026c4f6914f21a2ea53d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.2544",
    "kind": "arxiv",
    "version": 1
  }
}