Pith Number

pith:ZIW7ZXY7

pith:2013:ZIW7ZXY7K3MM546E7LJ7M64MJX

not attested not anchored not stored refs pending

Inverted Ionization Zones in Eta Carinae's "Weigelt Knots"

Andrea Mehner, Grant N. Remmen, Kris Davidson

arxiv:1302.2659 v1 · 2013-02-11 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZIW7ZXY7K3MM546E7LJ7M64MJX}

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	2026-05-18T03:13:46.138544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca2dfcdf1f56d8cef3c4fad3f67b8c4dc21a08dca4c9c4774dda0b2b9669f447

Aliases

arxiv: 1302.2659 · arxiv_version: 1302.2659v1 · doi: 10.48550/arxiv.1302.2659 · pith_short_12: ZIW7ZXY7K3MM · pith_short_16: ZIW7ZXY7K3MM546E · pith_short_8: ZIW7ZXY7

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/ZIW7ZXY7K3MM546E7LJ7M64MJX \
  | 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: ca2dfcdf1f56d8cef3c4fad3f67b8c4dc21a08dca4c9c4774dda0b2b9669f447

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e0f6af26e67e6139fcc28c157d796697e3e7d31bed7bf8ea6b5944b28ae5c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-02-11T22:46:27Z",
    "title_canon_sha256": "29263faff4fbb4cf02354b16e30ee525eaf2b57297b7e97da4966cc673baa1d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2659",
    "kind": "arxiv",
    "version": 1
  }
}