Pith Number

pith:DBLFNCEN

pith:2009:DBLFNCENGOYBF5REDWHK5RCLF4

not attested not anchored not stored refs pending

Raman Scattered HeII 6545 in the Young and Compact Planetary Nebula NGC 6790

Byeong-Cheol Lee, Eun-Ha Kang, Hee-Won Lee

arxiv:0901.2189 v1 · 2009-01-15 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DBLFNCENGOYBF5REDWHK5RCLF4}

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	2026-05-18T04:29:23.820363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

185656888d33b012f6241d8eaec44b2f20ab5ce7ad98dc19eca1639ec10186bc

Aliases

arxiv: 0901.2189 · arxiv_version: 0901.2189v1 · doi: 10.48550/arxiv.0901.2189 · pith_short_12: DBLFNCENGOYB · pith_short_16: DBLFNCENGOYBF5RE · pith_short_8: DBLFNCEN

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/DBLFNCENGOYBF5REDWHK5RCLF4 \
  | 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: 185656888d33b012f6241d8eaec44b2f20ab5ce7ad98dc19eca1639ec10186bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43576449f0d7d52612255cebbab8a616f175dc84d6a9cbe9db50dc4c6a08b39",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-15T06:15:10Z",
    "title_canon_sha256": "3b9b0ea6dabd670f4ca00917a8eaa9bbcace018b9fe789d3f5f961ab7d2306cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.2189",
    "kind": "arxiv",
    "version": 1
  }
}