Pith Number

pith:JFOYZVW3

pith:2012:JFOYZVW3CY2RGSYPSLAJ2P5TIS

not attested not anchored not stored refs pending

Online Mixed Packing and Covering

Lisa Fleischer, Umang Bhaskar

arxiv:1203.6695 v2 · 2012-03-30 · 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{JFOYZVW3CY2RGSYPSLAJ2P5TIS}

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	2026-05-18T03:58:39.241572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

495d8cd6db1635134b0f92c09d3fb3449a2c33a994acf095d745b6f839763729

Aliases

arxiv: 1203.6695 · arxiv_version: 1203.6695v2 · doi: 10.48550/arxiv.1203.6695 · pith_short_12: JFOYZVW3CY2R · pith_short_16: JFOYZVW3CY2RGSYP · pith_short_8: JFOYZVW3

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/JFOYZVW3CY2RGSYPSLAJ2P5TIS \
  | 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: 495d8cd6db1635134b0f92c09d3fb3449a2c33a994acf095d745b6f839763729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2582c82c9eda951d2a5884a200077ce2c5afc7f7b1af3628ca19d6b7e5fe399d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-03-30T01:37:11Z",
    "title_canon_sha256": "03a22c38c2a70a07145cf915defab33ef4741591c911ca942f50cf33d74ab72d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6695",
    "kind": "arxiv",
    "version": 2
  }
}