Pith Number

pith:AHB7K4AL

pith:2002:AHB7K4ALPZPQET4FMCOFYYG7IB

not attested not anchored not stored refs pending

High Resolution CO and H2 Molecular Line Imaging of a Cometary Globule in the Helix Nebula

J. R. Walsh, N. Ageorges, P. Cox, P. J. Huggins, R. Bachiller, T. Forveille

arxiv:astro-ph/0205516 v1 · 2002-05-29 · 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{AHB7K4ALPZPQET4FMCOFYYG7IB}

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.

Cited by

1 paper in Pith

Numerous bow shocks in the outer Helix Nebula

Receipt and verification

First computed	2026-07-04T16:30:06.673017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01c3f5700b7e5f024f85609c5c60df4057bfb28135d056efcd14c79436ab7951

Aliases

arxiv: astro-ph/0205516 · arxiv_version: astro-ph/0205516v1 · doi: 10.48550/arxiv.astro-ph/0205516 · pith_short_12: AHB7K4ALPZPQ · pith_short_16: AHB7K4ALPZPQET4F · pith_short_8: AHB7K4AL

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/AHB7K4ALPZPQET4FMCOFYYG7IB \
  | 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: 01c3f5700b7e5f024f85609c5c60df4057bfb28135d056efcd14c79436ab7951

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c204a5fbd71115aebfc85c7c2627ea9d32afc3ee2c086e3ddbd20d93dbc942fe",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-29T23:02:03Z",
    "title_canon_sha256": "31ea8014282d3b1136218b32f7413a3d8db716dab462f7b80e010bdc57802c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205516",
    "kind": "arxiv",
    "version": 1
  }
}