Pith Number

pith:S7OKYNNB

pith:2018:S7OKYNNBBA63ILI5CK7SJGOBLH

not attested not anchored not stored refs pending

A median-type condition for graph tiling

Diana Piguet, Maria Saumell

arxiv:1805.03507 v2 · 2018-05-09 · 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{S7OKYNNBBA63ILI5CK7SJGOBLH}

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	2026-05-17T23:57:50.654539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97dcac35a1083db42d1d12bf2499c159d76e9d3f20babb4b71d66ae3d52b3eb6

Aliases

arxiv: 1805.03507 · arxiv_version: 1805.03507v2 · doi: 10.48550/arxiv.1805.03507 · pith_short_12: S7OKYNNBBA63 · pith_short_16: S7OKYNNBBA63ILI5 · pith_short_8: S7OKYNNB

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/S7OKYNNBBA63ILI5CK7SJGOBLH \
  | 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: 97dcac35a1083db42d1d12bf2499c159d76e9d3f20babb4b71d66ae3d52b3eb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f8c2f4c4dbc18076d7b8b9395d54f18fbadaf81188d69cc95b0d4e1f68ef3af",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-05-09T13:24:35Z",
    "title_canon_sha256": "c64f0fc62e943aae78c8b37ae66a0b236e47d1d4cc2aaf3d81721fb2e5c6d2b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03507",
    "kind": "arxiv",
    "version": 2
  }
}