Pith Number

pith:XL7XTCXK

pith:2015:XL7XTCXKIP23VNM356VU5ZXJJD

not attested not anchored not stored refs pending

Improved energy extrapolation with infinite projected entangled-pair states applied to the 2D Hubbard model

Philippe Corboz

arxiv:1508.04003 v2 · 2015-08-17 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XL7XTCXKIP23VNM356VU5ZXJJD}

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	2026-05-18T01:15:15.069676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baff798aea43f5bab59befab4ee6e948c46369a1c8b6c25054ff195d7d1a49c4

Aliases

arxiv: 1508.04003 · arxiv_version: 1508.04003v2 · doi: 10.48550/arxiv.1508.04003 · pith_short_12: XL7XTCXKIP23 · pith_short_16: XL7XTCXKIP23VNM3 · pith_short_8: XL7XTCXK

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/XL7XTCXKIP23VNM356VU5ZXJJD \
  | 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: baff798aea43f5bab59befab4ee6e948c46369a1c8b6c25054ff195d7d1a49c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1cd9785ccb81121339e886522601035557e4bd6824e600f66249782c42548fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2015-08-17T12:48:58Z",
    "title_canon_sha256": "1af575573239fea98c850641cfb0c22d4621f05680f8f9c7f0405f7f56529d26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04003",
    "kind": "arxiv",
    "version": 2
  }
}