Pith Number

pith:7WJ4E3RV

pith:2012:7WJ4E3RVX45HDA3HIE5WHFOP6W

not attested not anchored not stored refs pending

DMRG studies on linear-exchange quantum spin models in one dimension

Bimla Danu, Brijesh Kumar, Ramesh V. Pai

arxiv:1207.0636 v1 · 2012-07-03 · 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{7WJ4E3RVX45HDA3HIE5WHFOP6W}

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	2026-05-18T03:32:07.857974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd93c26e35bf3a718367413b6395cff5848c7acce8a848d4b4843d36548caf77

Aliases

arxiv: 1207.0636 · arxiv_version: 1207.0636v1 · doi: 10.48550/arxiv.1207.0636 · pith_short_12: 7WJ4E3RVX45H · pith_short_16: 7WJ4E3RVX45HDA3H · pith_short_8: 7WJ4E3RV

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/7WJ4E3RVX45HDA3HIE5WHFOP6W \
  | 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: fd93c26e35bf3a718367413b6395cff5848c7acce8a848d4b4843d36548caf77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75665ea09aa26447913b9cc91fc4216c8a73694356219e32b829e58dd77d9cea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-07-03T11:13:54Z",
    "title_canon_sha256": "19906b38a36ed92be10528dcd269f7c18ebc19380eedba669ced8a6b40993c45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0636",
    "kind": "arxiv",
    "version": 1
  }
}