Pith Number

pith:KOH2JLOT

pith:2013:KOH2JLOTOMNFTVVM27LAZVRBBS

not attested not anchored not stored refs pending

Spatially resolved physical and chemical properties of the planetary nebula NGC 3242

D. R. Gon\c{c}alves, H. Monteiro, M. L. Leal-Ferreira, R.L.M. Corradi

arxiv:1311.3201 v2 · 2013-11-13 · 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{KOH2JLOTOMNFTVVM27LAZVRBBS}

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	2026-05-18T01:46:31.505975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

538fa4add3731a59d6acd7d60cd6210cb02cf6f16aeb751f33b70e7b8d1ee61e

Aliases

arxiv: 1311.3201 · arxiv_version: 1311.3201v2 · doi: 10.48550/arxiv.1311.3201 · pith_short_12: KOH2JLOTOMNF · pith_short_16: KOH2JLOTOMNFTVVM · pith_short_8: KOH2JLOT

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/KOH2JLOTOMNFTVVM27LAZVRBBS \
  | 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: 538fa4add3731a59d6acd7d60cd6210cb02cf6f16aeb751f33b70e7b8d1ee61e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "877af0f2651eb0a0dd51d8a3d9b6e7fa8102b2fd67b24debaa014dd1f1d1823c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-11-13T16:40:49Z",
    "title_canon_sha256": "eac5e53ad3687141d4df8e62e121f387b6c04e5c53b4ec162438d655a9ec9794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3201",
    "kind": "arxiv",
    "version": 2
  }
}