Pith Number

pith:I322UQF5

pith:2019:I322UQF5INVZQVV57I4BKMBDRV

not attested not anchored not stored refs pending

Hidden Fermi surface in K$_x$Fe$_{2-y}$Se$_2$: LDA+DMFT study

I.A. Nekrasov, N.S. Pavlov

arxiv:1902.01556 v1 · 2019-02-05 · 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{I322UQF5INVZQVV57I4BKMBDRV}

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	2026-05-17T23:54:47.339596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46f5aa40bd436b9856bdfa381530238d5cc3abac96037338c304e605d1dd3e27

Aliases

arxiv: 1902.01556 · arxiv_version: 1902.01556v1 · doi: 10.48550/arxiv.1902.01556 · pith_short_12: I322UQF5INVZ · pith_short_16: I322UQF5INVZQVV5 · pith_short_8: I322UQF5

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/I322UQF5INVZQVV57I4BKMBDRV \
  | 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: 46f5aa40bd436b9856bdfa381530238d5cc3abac96037338c304e605d1dd3e27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7157cc137ce73fd927ce2619e3130779c2467e90967325c8b69460e115a9252",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-02-05T05:54:33Z",
    "title_canon_sha256": "7ffa948dc74c4e31251532bc5b595362cf57a07313992d5ed6ae049ba6c561b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01556",
    "kind": "arxiv",
    "version": 1
  }
}