Pith Number

pith:JT2JXJ5O

pith:2017:JT2JXJ5OWLQUJHCPLKUXG7PZS2

not attested not anchored not stored refs pending

On distance matrices of graphs

Hui Zhou, Qi Ding, Ruiling Jia

arxiv:1701.04162 v3 · 2017-01-16 · 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{JT2JXJ5OWLQUJHCPLKUXG7PZS2}

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	2026-05-18T00:29:31.099620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf49ba7aeb2e1449c4f5aa9737df996a17d2ab8fe9f70159348eb3748875c1a

Aliases

arxiv: 1701.04162 · arxiv_version: 1701.04162v3 · doi: 10.48550/arxiv.1701.04162 · pith_short_12: JT2JXJ5OWLQU · pith_short_16: JT2JXJ5OWLQUJHCP · pith_short_8: JT2JXJ5O

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/JT2JXJ5OWLQUJHCPLKUXG7PZS2 \
  | 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: 4cf49ba7aeb2e1449c4f5aa9737df996a17d2ab8fe9f70159348eb3748875c1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a2513c7e6ca0e34517a523becdf37402d6964d87916fa5d80d98e715f3443f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-01-16T04:34:20Z",
    "title_canon_sha256": "42d5fe407458b54df10ede79dde1cf9daeb161db842852e97bade5f56b20830d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04162",
    "kind": "arxiv",
    "version": 3
  }
}