Pith Number

pith:KZH7N4X2

pith:2004:KZH7N4X2HBLNOUVZIHJKKFMRYN

not attested not anchored not stored refs pending

OH Maser Observations of Planetary Nebulae Precursors

A. J. Green, J. M. Chapman, R. M. Deacon

arxiv:astro-ph/0406198 v1 · 2004-06-08 · 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{KZH7N4X2HBLNOUVZIHJKKFMRYN}

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	2026-07-04T16:43:57.643190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

564ff6f2fa3856d752b941d2a51591c3774807583fe7cc0d0a305e367f7a1019

Aliases

arxiv: astro-ph/0406198 · arxiv_version: astro-ph/0406198v1 · doi: 10.48550/arxiv.astro-ph/0406198 · pith_short_12: KZH7N4X2HBLN · pith_short_16: KZH7N4X2HBLNOUVZ · pith_short_8: KZH7N4X2

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/KZH7N4X2HBLNOUVZIHJKKFMRYN \
  | 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: 564ff6f2fa3856d752b941d2a51591c3774807583fe7cc0d0a305e367f7a1019

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff3dc24561519459df22d38c943a39ce4510b19852947c3415fa3b8263f5164",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-08T00:48:32Z",
    "title_canon_sha256": "714fe1053b2d9a90e6777d07b3d0dc31934781c6b1029bcab53866ac279390f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406198",
    "kind": "arxiv",
    "version": 1
  }
}