Pith Number

pith:KC42S6QF

pith:2013:KC42S6QFURQ7TO7WOAO332V42Q

not attested not anchored not stored refs pending

COAST: A Convex Optimization Approach to Stress-Based Embedding

Emden R. Gansner, Shankar Krishnan, Yifan Hu

arxiv:1308.5218 v2 · 2013-08-23 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KC42S6QFURQ7TO7WOAO332V42Q}

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	2026-05-18T03:13:59.504755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b9a97a05a461f9bbf6701dbdeabcd40667ad6c7166f84d043e9dc4cb2fb130

Aliases

arxiv: 1308.5218 · arxiv_version: 1308.5218v2 · doi: 10.48550/arxiv.1308.5218 · pith_short_12: KC42S6QFURQ7 · pith_short_16: KC42S6QFURQ7TO7W · pith_short_8: KC42S6QF

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/KC42S6QFURQ7TO7WOAO332V42Q \
  | 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: 50b9a97a05a461f9bbf6701dbdeabcd40667ad6c7166f84d043e9dc4cb2fb130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "186ec5493aa8c44bc269aec023148e80f14b6914aea60e1893920526504943b3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2013-08-23T19:36:02Z",
    "title_canon_sha256": "49a98367933415751c6cb3be8541957e198354f95ea32f6ce16baa485f044bad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5218",
    "kind": "arxiv",
    "version": 2
  }
}