Pith Number

pith:3HRSH2IK

pith:2013:3HRSH2IK2BBGUVZNFEN2WL46J2

not attested not anchored not stored refs pending

Faster identification of optimal contraction sequences for tensor networks

Frank Verstraete, Jutho Haegeman, Robert N. C. Pfeifer

arxiv:1304.6112 v7 · 2013-04-22 · cond-mat.str-el · physics.comp-ph · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HRSH2IK2BBGUVZNFEN2WL46J2}

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	2026-05-18T01:23:49.192830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9e323e90ad0426a572d291bab2f9e4e88b16de5d0c6d65e5311d09edc1f2014

Aliases

arxiv: 1304.6112 · arxiv_version: 1304.6112v7 · doi: 10.48550/arxiv.1304.6112 · pith_short_12: 3HRSH2IK2BBG · pith_short_16: 3HRSH2IK2BBGUVZN · pith_short_8: 3HRSH2IK

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/3HRSH2IK2BBGUVZNFEN2WL46J2 \
  | 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: d9e323e90ad0426a572d291bab2f9e4e88b16de5d0c6d65e5311d09edc1f2014

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b1a52cb3e862edc45965284b73824392fb9b156eadda330f6370ddba679371f",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-04-22T21:48:47Z",
    "title_canon_sha256": "6d1f75ff2bf13eeb736e397c744b78ec4c2a7a20b6a86d4d6bb33c001c05e3d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6112",
    "kind": "arxiv",
    "version": 7
  }
}