Pith Number

pith:OVJWOZAH

pith:2019:OVJWOZAHYSRQPKWHXVKSOZTDDM

not attested not anchored not stored refs pending

Mathematical methods of diagonalization of quadratic forms applied to the study of stability of thermodynamic systems

F. N. Lima, J. M. de Sousa

arxiv:1908.03211 v1 · 2019-08-08 · 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{OVJWOZAHYSRQPKWHXVKSOZTDDM}

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	2026-07-05T00:54:29.937069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7553676407c4a307aac7bd552766631b2a8b9a7ca91e58bad283025a18ae3242

Aliases

arxiv: 1908.03211 · arxiv_version: 1908.03211v1 · doi: 10.48550/arxiv.1908.03211 · pith_short_12: OVJWOZAHYSRQ · pith_short_16: OVJWOZAHYSRQPKWH · pith_short_8: OVJWOZAH

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/OVJWOZAHYSRQPKWHXVKSOZTDDM \
  | 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: 7553676407c4a307aac7bd552766631b2a8b9a7ca91e58bad283025a18ae3242

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a1e7575f653a56328fad193eb4eee8971aa65c4e205c18e32e6dac89caa544",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2019-08-08T17:39:58Z",
    "title_canon_sha256": "93662774ab2ac199c35949d5aef8e96de5218e212ba6d55921f06a2a78d127a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03211",
    "kind": "arxiv",
    "version": 1
  }
}