Pith Number

pith:E5KQFB2O

pith:2008:E5KQFB2OARIHFFSMGNGFPS7JBC

not attested not anchored not stored refs pending

Thermodynamics of the frustrated ferromagnetic spin-1/2 Heisenberg chain

D. Ihle, J. Richter, M. H\"artel, S.-L. Drechsler

arxiv:0811.3549 v1 · 2008-11-21 · cond-mat.str-el · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E5KQFB2OARIHFFSMGNGFPS7JBC}

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	2026-05-18T04:13:07.262253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

275502874e045072964c334c57cbe908b1ceb9011823bbb4aa4c9d7ccb40cc7e

Aliases

arxiv: 0811.3549 · arxiv_version: 0811.3549v1 · doi: 10.48550/arxiv.0811.3549 · pith_short_12: E5KQFB2OARIH · pith_short_16: E5KQFB2OARIHFFSM · pith_short_8: E5KQFB2O

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/E5KQFB2OARIHFFSMGNGFPS7JBC \
  | 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: 275502874e045072964c334c57cbe908b1ceb9011823bbb4aa4c9d7ccb40cc7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e207f9612453f8fb64962a399ce1e48113c539a37876c4f701630a5337f769c4",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2008-11-21T14:38:45Z",
    "title_canon_sha256": "a6650be97c80a5cb5f54cc6b34281b9f281618a0a6fa94f88ff0928c81271096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3549",
    "kind": "arxiv",
    "version": 1
  }
}