Pith Number

pith:JMHTG534

pith:2013:JMHTG534NJTZMQD7APLNTVGIYA

not attested not anchored not stored refs pending

Packing Steiner Trees

Irene Pivotto, Jessica McDonald, Matt DeVos

arxiv:1307.7621 v2 · 2013-07-29 · 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{JMHTG534NJTZMQD7APLNTVGIYA}

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	2026-05-18T01:35:38.516083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b0f33777c6a6796407f03d6d9d4c8c010e6cbf2dceabb9f7d282eb88c565825

Aliases

arxiv: 1307.7621 · arxiv_version: 1307.7621v2 · doi: 10.48550/arxiv.1307.7621 · pith_short_12: JMHTG534NJTZ · pith_short_16: JMHTG534NJTZMQD7 · pith_short_8: JMHTG534

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/JMHTG534NJTZMQD7APLNTVGIYA \
  | 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: 4b0f33777c6a6796407f03d6d9d4c8c010e6cbf2dceabb9f7d282eb88c565825

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f396aef755a32a76ba941b03adc89b08a3f637b6f3acdd7aa80e0ae7092ea6fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-07-29T15:46:17Z",
    "title_canon_sha256": "2653018bd8178d719c283b031d9167435cb0740a49d684610dcac325f7b9bea2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7621",
    "kind": "arxiv",
    "version": 2
  }
}