Pith Number

pith:ZBNN7NDP

pith:2020:ZBNN7NDPWOU5YYFU7FX6TWKFKT

not attested not anchored not stored refs pending

Infrared properties of Planetary Nebulae with [WR] and $wels$ central stars

C. Muthumariappan, M. Parthasarathy

arxiv:2002.00908 v1 · 2020-02-03 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBNN7NDPWOU5YYFU7FX6TWKFKT}

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	2026-07-05T00:37:58.634191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c85adfb46fb3a9dc60b4f96fe9d94554c34065a0fc74bd49082a0ca660954d26

Aliases

arxiv: 2002.00908 · arxiv_version: 2002.00908v1 · doi: 10.48550/arxiv.2002.00908 · pith_short_12: ZBNN7NDPWOU5 · pith_short_16: ZBNN7NDPWOU5YYFU · pith_short_8: ZBNN7NDP

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/ZBNN7NDPWOU5YYFU7FX6TWKFKT \
  | 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: c85adfb46fb3a9dc60b4f96fe9d94554c34065a0fc74bd49082a0ca660954d26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2cf67308391443ef2224a9b5e1158c52479284f2428f7c3f5290432c7c3613",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-02-03T17:38:07Z",
    "title_canon_sha256": "ce15830752e7a29546134d5596d71ba9e8e5fbc64a9b7effc91cda5a8e09fa75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00908",
    "kind": "arxiv",
    "version": 1
  }
}