Pith Number

pith:IWBACIFR

pith:2018:IWBACIFRITCBERL4WW2KIA437E

not attested not anchored not stored refs pending

Linearity is Strictly More Powerful than Contiguity for Encoding Graphs

Christophe Crespelle, Kevin Perrot, Thi Ha Duong Phan, Tien-Nam Le

arxiv:1803.05414 v1 · 2018-03-14 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWBACIFRITCBERL4WW2KIA437E}

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	2026-05-18T00:21:01.273303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45820120b144c412457cb5b4a4039bf91c9a8063a051ded0cc1d47a3d1fbe19f

Aliases

arxiv: 1803.05414 · arxiv_version: 1803.05414v1 · doi: 10.48550/arxiv.1803.05414 · pith_short_12: IWBACIFRITCB · pith_short_16: IWBACIFRITCBERL4 · pith_short_8: IWBACIFR

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/IWBACIFRITCBERL4WW2KIA437E \
  | 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: 45820120b144c412457cb5b4a4039bf91c9a8063a051ded0cc1d47a3d1fbe19f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbef675048b38676241be6127817628b88fe40307ffba08c92389bcd29b9083f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-03-14T17:28:33Z",
    "title_canon_sha256": "84998b89ae10b7bbbf2e0a9f13629231fc27b77c99c0e6fe6118530b85b1c42b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.05414",
    "kind": "arxiv",
    "version": 1
  }
}