Pith Number

pith:TFLZCSZK

pith:2019:TFLZCSZK7SFW7JUJXJMIPGQ4I5

not attested not anchored not stored refs pending

The minimal cellular resolutions of the edge ideals of forests

Antonio Macchia, Margherita Barile

arxiv:1902.02740 v1 · 2019-02-07 · math.AC · 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{TFLZCSZK7SFW7JUJXJMIPGQ4I5}

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	2026-05-17T23:54:32.328512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9957914b2afc8b6fa689ba58879a1c4763aca195de7592de540981e3a6298fea

Aliases

arxiv: 1902.02740 · arxiv_version: 1902.02740v1 · doi: 10.48550/arxiv.1902.02740 · pith_short_12: TFLZCSZK7SFW · pith_short_16: TFLZCSZK7SFW7JUJ · pith_short_8: TFLZCSZK

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/TFLZCSZK7SFW7JUJXJMIPGQ4I5 \
  | 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: 9957914b2afc8b6fa689ba58879a1c4763aca195de7592de540981e3a6298fea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917a40c831cf987a2476d14a6e771f131c2fab37ad5d9f520d80504cbfd26a95",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-02-07T17:29:58Z",
    "title_canon_sha256": "0b74aa713ad25a3bce8a227f5c0b8284fe1a20f2fd648a74aed766bf303e5759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02740",
    "kind": "arxiv",
    "version": 1
  }
}