Pith Number

pith:6JNKKNVK

pith:2017:6JNKKNVKVT3NNRS5Z55UHHVCHI

not attested not anchored not stored refs pending

Limitations of spin-fermion models in studying underdoped cuprates

Alvaro Ferraz, Evgenii Kochetov

arxiv:1701.03808 v1 · 2017-01-13 · 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{6JNKKNVKVT3NNRS5Z55UHHVCHI}

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	2026-05-18T00:52:48.918540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f25aa536aaacf6d6c65dcf7b439ea23a258d5b7f032f1fc4da57c95cff7a394d

Aliases

arxiv: 1701.03808 · arxiv_version: 1701.03808v1 · doi: 10.48550/arxiv.1701.03808 · pith_short_12: 6JNKKNVKVT3N · pith_short_16: 6JNKKNVKVT3NNRS5 · pith_short_8: 6JNKKNVK

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/6JNKKNVKVT3NNRS5Z55UHHVCHI \
  | 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: f25aa536aaacf6d6c65dcf7b439ea23a258d5b7f032f1fc4da57c95cff7a394d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a2339793f713cdcec01a411b024cda3e4d8e23b414ebda87fe8709fdbddd320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-01-13T19:33:57Z",
    "title_canon_sha256": "f2f2f6de2c8c5a1672d85732480ae20cc1a19d299c477cd4c13dcb493d1dcb94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03808",
    "kind": "arxiv",
    "version": 1
  }
}