Pith Number

pith:QLBMKEMQ

pith:2006:QLBMKEMQINCFPLQYRWWPUECDWE

not attested not anchored not stored refs pending

An analysis of spectra in the Red Rectangle nebula

Frederic Zagury

arxiv:astro-ph/0601197 v1 · 2006-01-10 · 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{QLBMKEMQINCFPLQYRWWPUECDWE}

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	2026-05-18T01:40:32.735314Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82c2c51190434457ae188dacfa1043b106d3ba51019a440128365190a553f196

Aliases

arxiv: astro-ph/0601197 · arxiv_version: astro-ph/0601197v1 · doi: 10.48550/arxiv.astro-ph/0601197 · pith_short_12: QLBMKEMQINCF · pith_short_16: QLBMKEMQINCFPLQY · pith_short_8: QLBMKEMQ

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/QLBMKEMQINCFPLQYRWWPUECDWE \
  | 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: 82c2c51190434457ae188dacfa1043b106d3ba51019a440128365190a553f196

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb7952b56c5d7a4ce843decfa48c466357dd23f1e0b7100bdefad0438dbb2e26",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-10T07:23:35Z",
    "title_canon_sha256": "6a9a5e5970c4b5982b6599610d2ffadfbf2db41e67a3c17b6ff6d0649e66f163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601197",
    "kind": "arxiv",
    "version": 1
  }
}