Pith Number

pith:QCYSA6JV

pith:2011:QCYSA6JVGCCNLNKVMWYKSECGA7

not attested not anchored not stored refs pending

Some inequalities for orderings of acyclic digraphs

Imed Zaguia, Thomas Bier

arxiv:1110.3107 v2 · 2011-10-14 · 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{QCYSA6JVGCCNLNKVMWYKSECGA7}

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	2026-05-18T02:32:22.814131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80b12079353084d5b55565b0a9104607e985c777cc0c7f97132a8aa390314321

Aliases

arxiv: 1110.3107 · arxiv_version: 1110.3107v2 · doi: 10.48550/arxiv.1110.3107 · pith_short_12: QCYSA6JVGCCN · pith_short_16: QCYSA6JVGCCNLNKV · pith_short_8: QCYSA6JV

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/QCYSA6JVGCCNLNKVMWYKSECGA7 \
  | 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: 80b12079353084d5b55565b0a9104607e985c777cc0c7f97132a8aa390314321

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb302d0a1aefe7ec0b449024a14f2f618dd6d32656a94d59036ca5ee1caff2a0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-10-14T02:02:41Z",
    "title_canon_sha256": "adfc449da58d2ed03d747b080bdf717b275b1fa3a7720d6b3507f6adf6b450b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.3107",
    "kind": "arxiv",
    "version": 2
  }
}