Pith Number

pith:XEE3JTZV

pith:2013:XEE3JTZVUVIQHPCB7JUTQNGIKU

not attested not anchored not stored refs pending

On the dynamic width of the 3-colorability problem

Albert Atserias, Anuj Dawar, Oleg Verbitsky

arxiv:1312.5937 v2 · 2013-12-20 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEE3JTZVUVIQHPCB7JUTQNGIKU}

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	2026-05-18T02:58:56.435585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b909b4cf35a55103bc41fa693834c85539000090b75c056ffe1dd65915d7afcc

Aliases

arxiv: 1312.5937 · arxiv_version: 1312.5937v2 · doi: 10.48550/arxiv.1312.5937 · pith_short_12: XEE3JTZVUVIQ · pith_short_16: XEE3JTZVUVIQHPCB · pith_short_8: XEE3JTZV

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/XEE3JTZVUVIQHPCB7JUTQNGIKU \
  | 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: b909b4cf35a55103bc41fa693834c85539000090b75c056ffe1dd65915d7afcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b3b4a1405a684ee97250979c9876c7e5b661772385b27a7b4a09b8ff2261600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-12-20T13:42:06Z",
    "title_canon_sha256": "f29accd2f5508da740ef40693a62fc4d4920b201799441d6b7ccd88296662edd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.5937",
    "kind": "arxiv",
    "version": 2
  }
}