Pith Number

pith:3Z4FNEXS

pith:2018:3Z4FNEXSKMANFPNCTDR4NSWHAR

not attested not anchored not stored refs pending

Segment representations with small resolution

Therese Biedl

arxiv:1810.07072 v1 · 2018-10-16 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3Z4FNEXSKMANFPNCTDR4NSWHAR}

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	2026-05-18T00:03:10.550815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de785692f25300d2bda298e3c6cac70477265f230f37fa4b0e788ed1d65a31f3

Aliases

arxiv: 1810.07072 · arxiv_version: 1810.07072v1 · doi: 10.48550/arxiv.1810.07072 · pith_short_12: 3Z4FNEXSKMAN · pith_short_16: 3Z4FNEXSKMANFPNC · pith_short_8: 3Z4FNEXS

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/3Z4FNEXSKMANFPNCTDR4NSWHAR \
  | 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: de785692f25300d2bda298e3c6cac70477265f230f37fa4b0e788ed1d65a31f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2f9b749ca3c107d36a5b875d18b48ec546fd3f438070a9c99b44d3ce214aa40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-10-16T15:18:53Z",
    "title_canon_sha256": "ded5f1996a661cd471cf50edb5ed57bd49a1abefcfae91d3d309c7a29bd0ce30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07072",
    "kind": "arxiv",
    "version": 1
  }
}