Pith Number

pith:3T3FU46M

pith:2014:3T3FU46M4ELAZ632MYH3FZPHCC

not attested not anchored not stored refs pending

Locally Constrained Homomorphisms on Graphs of Bounded Treewidth and Bounded Degree

Dani\"el Paulusma, Ji\v{r}\'i Fiala, Marek Tesa\v{r}, Pim van 't Hof, Steven Chaplick

arxiv:1408.6676 v1 · 2014-08-28 · cs.CC · cs.DM · 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{3T3FU46M4ELAZ632MYH3FZPHCC}

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	2026-05-18T01:31:03.784124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcf65a73cce1160cfb7a660fb2e5e7109e483fa71a67cff75453faecac5d1657

Aliases

arxiv: 1408.6676 · arxiv_version: 1408.6676v1 · doi: 10.48550/arxiv.1408.6676 · pith_short_12: 3T3FU46M4ELA · pith_short_16: 3T3FU46M4ELAZ632 · pith_short_8: 3T3FU46M

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/3T3FU46M4ELAZ632MYH3FZPHCC \
  | 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: dcf65a73cce1160cfb7a660fb2e5e7109e483fa71a67cff75453faecac5d1657

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "136ca4620efa4bcb0ec210c63ca6de62901bb400d673ef08275757266c484c39",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2014-08-28T10:42:28Z",
    "title_canon_sha256": "37fb2e90c3133d9ab4ac1ec61311eef793c17ea2e15743cbe570c9ed6f8c0a24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6676",
    "kind": "arxiv",
    "version": 1
  }
}