Pith Number

pith:K74MRAVW

pith:2001:K74MRAVWNQAQNMQPSWT4CYI4TM

not attested not anchored not stored refs pending

The large-scale ionised outflow of CH Cygni

(2) Osservatorio Astronomico di Padova - Italy, (3) Space Telescope Science Institute - USA, (4) Instituto de Astrofisica de Canarias - Spain, (5) Cerro Tololo Inter-American Observatory - Chile), Antonio Mampaso(4), Denise R. Goncalves(4) & Hugo E. Schwarz(5) ((1) Isaac Newton Group of Telescopes - Spain, Mario Livio (3), Romano L.M. Corradi (1), Ulisse Munari (2)

arxiv:astro-ph/0109046 v1 · 2001-09-04 · 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{K74MRAVWNQAQNMQPSWT4CYI4TM}

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	2026-05-18T00:27:13.938337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57f8c882b66c0106b20f95a7c1611c9b0303a74b100146d2145d0465e7ff09e5

Aliases

arxiv: astro-ph/0109046 · arxiv_version: astro-ph/0109046v1 · doi: 10.48550/arxiv.astro-ph/0109046 · pith_short_12: K74MRAVWNQAQ · pith_short_16: K74MRAVWNQAQNMQP · pith_short_8: K74MRAVW

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/K74MRAVWNQAQNMQPSWT4CYI4TM \
  | 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: 57f8c882b66c0106b20f95a7c1611c9b0303a74b100146d2145d0465e7ff09e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8188a6e83051a5ce7482481184a83524422917d3922ba5f495e397c1a2010187",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-04T14:47:47Z",
    "title_canon_sha256": "44e29cd96a08a83b2bdfbb66a436d096a2ebb1bc43bd26486bde555cedcb4ade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109046",
    "kind": "arxiv",
    "version": 1
  }
}