Pith Number

pith:K5IMEUVR

pith:2002:K5IMEUVRMJB43FLNRSQ7V5XFZY

not attested not anchored not stored refs pending

Near-IR spectroscopy of planetary nebulae precursors

A. Manchado, C. Dominguez-Tagle, D. A. Garcia-Hernandez, F. Prada, G. Conway, P. Garcia-Lario

arxiv:astro-ph/0203367 v1 · 2002-03-21 · 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{K5IMEUVRMJB43FLNRSQ7V5XFZY}

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	2026-05-18T01:07:45.028230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5750c252b16243cd956d8ca1faf6e5ce36d7fa0b5d98c6b4db49f9edfc13cee9

Aliases

arxiv: astro-ph/0203367 · arxiv_version: astro-ph/0203367v1 · doi: 10.48550/arxiv.astro-ph/0203367 · pith_short_12: K5IMEUVRMJB4 · pith_short_16: K5IMEUVRMJB43FLN · pith_short_8: K5IMEUVR

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/K5IMEUVRMJB43FLNRSQ7V5XFZY \
  | 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: 5750c252b16243cd956d8ca1faf6e5ce36d7fa0b5d98c6b4db49f9edfc13cee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdfbff04b58d56e8023da189d98f24d883df6e49607d5f71d6ccaf20b09ed63d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-21T11:02:15Z",
    "title_canon_sha256": "816451ec34e32905d23f791131e785709359a7f5b4c812240ee8419527669e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203367",
    "kind": "arxiv",
    "version": 1
  }
}