Pith Number

pith:III6M5KQ

pith:2019:III6M5KQMR6L3K27UHQAMLZ27X

not attested not anchored not stored refs pending

Many-body perturbation expansions without diagrams. I. Normal states

Behnam Farid

arxiv:1912.00474 v2 · 2019-12-01 · cond-mat.str-el · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{III6M5KQMR6L3K27UHQAMLZ27X}

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	2026-07-05T03:08:41.749003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4211e67550647cbdab5fa1e0062f3afdfc37c970038d532e91ea52726b49fd96

Aliases

arxiv: 1912.00474 · arxiv_version: 1912.00474v2 · doi: 10.48550/arxiv.1912.00474 · pith_short_12: III6M5KQMR6L · pith_short_16: III6M5KQMR6L3K27 · pith_short_8: III6M5KQ

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/III6M5KQMR6L3K27UHQAMLZ27X \
  | 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: 4211e67550647cbdab5fa1e0062f3afdfc37c970038d532e91ea52726b49fd96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f4a1fc579183627e6d2c3c304712a65f3677cfae9c72b1b915e7a48bb8f5566",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-12-01T18:45:49Z",
    "title_canon_sha256": "dc893a6b8eb8f393c82d2cd69747012ba30f87b26c2213da41362821f625b3d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00474",
    "kind": "arxiv",
    "version": 2
  }
}