Pith Number

pith:PCDI34TM

pith:2021:PCDI34TM4HQEME7ZKYOJMBZKGW

not attested not anchored not stored refs pending

Recent Colorings And Labelings In Topological Coding

100029, 730070 CHINA), Beijing, Bing Yao (College of Mathematics, China), Hongyu Wang (National Computer Network Emergency Response Technical Team/Coordination Center of China, Lanzhou, Northwest Normal University, Statistics

arxiv:2106.15254 v1 · 2021-06-29 · cs.IT · cs.DM · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCDI34TM4HQEME7ZKYOJMBZKGW}

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	2026-07-05T02:53:15.325671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78868df26ce1e04613f9561c96072a359b5e5e4e3a65e95ed8a168771c878308

Aliases

arxiv: 2106.15254 · arxiv_version: 2106.15254v1 · doi: 10.48550/arxiv.2106.15254 · pith_short_12: PCDI34TM4HQE · pith_short_16: PCDI34TM4HQEME7Z · pith_short_8: PCDI34TM

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/PCDI34TM4HQEME7ZKYOJMBZKGW \
  | 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: 78868df26ce1e04613f9561c96072a359b5e5e4e3a65e95ed8a168771c878308

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27e39a614a515ad84deb372544ddc0fd85f6fe6d6887f5b8bba3aa544617e0df",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO",
      "math.IT"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-06-29T11:14:18Z",
    "title_canon_sha256": "d7995c24d923e5e0b6cf2ba59d80906be82254b51524a4195f8a9b6b0459f811"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.15254",
    "kind": "arxiv",
    "version": 1
  }
}