Pith Number

pith:V2UF7F5R

pith:2017:V2UF7F5RKDNWGDMTWJJMSYJEV4

not attested not anchored not stored refs pending

On the Complexity of Restoring Corrupted Colorings

Juho Lauri, Marzio De Biasi

arxiv:1701.01939 v1 · 2017-01-08 · 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{V2UF7F5RKDNWGDMTWJJMSYJEV4}

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	2026-05-18T00:53:13.015226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aea85f97b150db630d93b252c96124af1b840e7149d4bea2cea827d7bf4aa5f1

Aliases

arxiv: 1701.01939 · arxiv_version: 1701.01939v1 · doi: 10.48550/arxiv.1701.01939 · pith_short_12: V2UF7F5RKDNW · pith_short_16: V2UF7F5RKDNWGDMT · pith_short_8: V2UF7F5R

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/V2UF7F5RKDNWGDMTWJJMSYJEV4 \
  | 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: aea85f97b150db630d93b252c96124af1b840e7149d4bea2cea827d7bf4aa5f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "297d0d1fbcf6cc6be2ac8cee54e01695455b9da8d0564efde51f229d92c66f24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2017-01-08T10:43:55Z",
    "title_canon_sha256": "cd9d8cbd9012b80325c2894753a2ebe7cde75c3baec9e4f8a4ff6343b1e78eba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01939",
    "kind": "arxiv",
    "version": 1
  }
}