Pith Number

pith:FFJVN4PT

pith:2016:FFJVN4PTZGEDXQSUTCUDDSLBOC

not attested not anchored not stored refs pending

A note on the augmented Zagreb index of cacti with fixed number of vertices and cycles

Akbar Ali, Akhlaq Ahmad Bhatti

arxiv:1605.01888 v1 · 2016-05-06 · math.CO

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

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	2026-05-18T00:46:22.587413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295356f1f3c9883bc25498a831c96170aea468a634b0b67b179d14539d9b8134

Aliases

arxiv: 1605.01888 · arxiv_version: 1605.01888v1 · doi: 10.48550/arxiv.1605.01888 · pith_short_12: FFJVN4PTZGED · pith_short_16: FFJVN4PTZGEDXQSU · pith_short_8: FFJVN4PT

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/FFJVN4PTZGEDXQSUTCUDDSLBOC \
  | 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: 295356f1f3c9883bc25498a831c96170aea468a634b0b67b179d14539d9b8134

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5adc26a68d54321c73ac5280af1a84f1f47914c9a574684ddf3a67eeb726753",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-06T10:55:57Z",
    "title_canon_sha256": "3339a45e9a1c9363517181c736f424b55e0bb59fa7698191cbde55f61a2e90f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01888",
    "kind": "arxiv",
    "version": 1
  }
}