Pith Number

pith:ONP5AG7Z

pith:2019:ONP5AG7Z3ZE6DYGHUPFWU2AXYN

not attested not anchored not stored refs pending

Fifth Geometric--Arithmetic Index VS Atom--Bond Connectivity Index and Heat of Formation

Matev\v{z} \v{C}repnjak, Petra \v{Z}igert Pleter\v{s}ek

arxiv:1905.13679 v1 · 2019-05-05 · physics.chem-ph · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONP5AG7Z3ZE6DYGHUPFWU2AXYN}

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	2026-05-17T23:44:34.264898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

735fd01bf9de49e1e0c7a3cb6a6817c3565b7e737f00a2a6e7d8351e13b39cf3

Aliases

arxiv: 1905.13679 · arxiv_version: 1905.13679v1 · doi: 10.48550/arxiv.1905.13679 · pith_short_12: ONP5AG7Z3ZE6 · pith_short_16: ONP5AG7Z3ZE6DYGH · pith_short_8: ONP5AG7Z

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/ONP5AG7Z3ZE6DYGHUPFWU2AXYN \
  | 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: 735fd01bf9de49e1e0c7a3cb6a6817c3565b7e737f00a2a6e7d8351e13b39cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d0081f001dea96f5a8fc1ae8715b998fd6b05441a921e743b4af1d1fe95127",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-05-05T07:42:05Z",
    "title_canon_sha256": "8c78084a71dcf6c739558dad4cd5a7b01b87686db9cad20ea20cf2edde7fd187"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13679",
    "kind": "arxiv",
    "version": 1
  }
}