Pith Number

pith:4IKO73M2

pith:2018:4IKO73M2V7BCCTAMVJL7J34LWM

not attested not anchored not stored refs pending

Positivity of the spectral densities of retarded Floquet Green functions

G\"otz S. Uhrig, James K. Freericks, Mona H. Kalthoff

arxiv:1808.10199 v1 · 2018-08-30 · 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{4IKO73M2V7BCCTAMVJL7J34LWM}

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	2026-05-17T23:49:03.541427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e214efed9aafc2214c0caa57f4ef8bb3218c6b05f2302b04cf21c936e730ba17

Aliases

arxiv: 1808.10199 · arxiv_version: 1808.10199v1 · doi: 10.48550/arxiv.1808.10199 · pith_short_12: 4IKO73M2V7BC · pith_short_16: 4IKO73M2V7BCCTAM · pith_short_8: 4IKO73M2

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/4IKO73M2V7BCCTAMVJL7J34LWM \
  | 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: e214efed9aafc2214c0caa57f4ef8bb3218c6b05f2302b04cf21c936e730ba17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cee0bb9b85a6a6105761a9c9b31c300abb675ecedccedf26e33ff75212befd66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-08-30T09:44:49Z",
    "title_canon_sha256": "06417c3cc107ed3357efc59adbdfccaeb2edc2eea91a22831a5cdc06f0d82df7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10199",
    "kind": "arxiv",
    "version": 1
  }
}