Pith Number

pith:KQTOFRI4

pith:2012:KQTOFRI4GBACZFKJDBIEGX2LM2

not attested not anchored not stored refs pending

On the oriented perfect path double cover conjecture

Behnaz Omoomi, Behrooz Bagheri Gh.

arxiv:1207.1961 v1 · 2012-07-09 · 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{KQTOFRI4GBACZFKJDBIEGX2LM2}

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	2026-05-18T03:51:26.474659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5426e2c51c30402c95491850435f4b669b434baa9b9a87d1c9dddcb63ca0d43a

Aliases

arxiv: 1207.1961 · arxiv_version: 1207.1961v1 · doi: 10.48550/arxiv.1207.1961 · pith_short_12: KQTOFRI4GBAC · pith_short_16: KQTOFRI4GBACZFKJ · pith_short_8: KQTOFRI4

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/KQTOFRI4GBACZFKJDBIEGX2LM2 \
  | 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: 5426e2c51c30402c95491850435f4b669b434baa9b9a87d1c9dddcb63ca0d43a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24e3b55114e41a0d38f23d1033e670344e1a9a9412bfd55081fae8ef38dd7da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-07-09T06:37:26Z",
    "title_canon_sha256": "72bc1404d957a9f89258b6cde7d332ee197f526917a738737ca36923895fd0b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1961",
    "kind": "arxiv",
    "version": 1
  }
}