Pith Number

pith:5OFOWFOH

pith:2017:5OFOWFOH3YBM6JK5NP4P2JPODR

not attested not anchored not stored refs pending

Further Approximations for Demand Matching: Matroid Constraints and Minor-Closed Graphs

Sara Ahmadian, Zachary Friggstad

arxiv:1705.10396 v1 · 2017-05-29 · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OFOWFOH3YBM6JK5NP4P2JPODR}

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	2026-05-18T00:43:31.162623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb8aeb15c7de02cf255d6bf8fd25ee1c6039def9d74b72ead037649133a9c7a0

Aliases

arxiv: 1705.10396 · arxiv_version: 1705.10396v1 · doi: 10.48550/arxiv.1705.10396 · pith_short_12: 5OFOWFOH3YBM · pith_short_16: 5OFOWFOH3YBM6JK5 · pith_short_8: 5OFOWFOH

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/5OFOWFOH3YBM6JK5NP4P2JPODR \
  | 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: eb8aeb15c7de02cf255d6bf8fd25ee1c6039def9d74b72ead037649133a9c7a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "434143780c9753eae207fea19574cec7b9b251ec1c5728b7b8a137aada8d357a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-05-29T20:55:29Z",
    "title_canon_sha256": "427b5fa909ae3b20f8df19b311cc542dd72991529d7e02de8bea2767985d7606"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10396",
    "kind": "arxiv",
    "version": 1
  }
}