Pith Number

pith:J2MNKHM4

pith:2014:J2MNKHM4JJSJWV5R7VL3T2W2CA

not attested not anchored not stored refs pending

The Planetary Nebulae Populations in the Local Group

Magda Arnaboldi

arxiv:1407.2549 v1 · 2014-07-09 · 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{J2MNKHM4JJSJWV5R7VL3T2W2CA}

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	2026-05-18T00:21:15.121047Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e98d51d9c4a649b57b1fd57b9eada10257e510e449f86d3f184bcfb8cb81fd5

Aliases

arxiv: 1407.2549 · arxiv_version: 1407.2549v1 · doi: 10.48550/arxiv.1407.2549 · pith_short_12: J2MNKHM4JJSJ · pith_short_16: J2MNKHM4JJSJWV5R · pith_short_8: J2MNKHM4

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/J2MNKHM4JJSJWV5R7VL3T2W2CA \
  | 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: 4e98d51d9c4a649b57b1fd57b9eada10257e510e449f86d3f184bcfb8cb81fd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1de2912e09008139e812a25d5bb744f7a77ffdd68183bfde477e82f93437a1c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-09T16:15:34Z",
    "title_canon_sha256": "f206cb6815f860c58c8c39067795d54b592d924ef2e44765ea48033b910f5619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2549",
    "kind": "arxiv",
    "version": 1
  }
}