Pith Number

pith:HEMHWAS3

pith:2013:HEMHWAS3VSRDKQWTRPQQARUURB

not attested not anchored not stored refs pending

Approximation Algorithms for the Max-Buying Problem with Limited Supply

Cristina G. Fernandes, Rafael C. S. Schouery

arxiv:1309.7955 v1 · 2013-09-30 · cs.GT · 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{HEMHWAS3VSRDKQWTRPQQARUURB}

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	2026-05-18T03:11:47.730688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39187b025baca23542d38be1004694887888bb98b09f3445309d3026a7e87a88

Aliases

arxiv: 1309.7955 · arxiv_version: 1309.7955v1 · doi: 10.48550/arxiv.1309.7955 · pith_short_12: HEMHWAS3VSRD · pith_short_16: HEMHWAS3VSRDKQWT · pith_short_8: HEMHWAS3

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/HEMHWAS3VSRDKQWTRPQQARUURB \
  | 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: 39187b025baca23542d38be1004694887888bb98b09f3445309d3026a7e87a88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6de3ee3b4864b57beb9bd2e9d27fc317af69c1b4f7483df239e88fc65af15061",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2013-09-30T18:45:23Z",
    "title_canon_sha256": "9bddde1fd43a40861479edd45d4aeca83a440b2e1d8d83116376ba21c6885646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7955",
    "kind": "arxiv",
    "version": 1
  }
}