Pith Number

pith:SKITFQ3P

pith:2018:SKITFQ3PI2AWHM7JISY5UEEGPV

not attested not anchored not stored refs pending

The $t$-$t'$-$t''$-$U$ Hubbard model and Fermi-level peak

A. Sherman

arxiv:1810.04967 v1 · 2018-10-11 · 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{SKITFQ3PI2AWHM7JISY5UEEGPV}

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	2026-05-17T23:45:52.758201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

929132c36f468163b3e944b1da10867d64ce3fdcd082efd656d33c9efcab9549

Aliases

arxiv: 1810.04967 · arxiv_version: 1810.04967v1 · doi: 10.48550/arxiv.1810.04967 · pith_short_12: SKITFQ3PI2AW · pith_short_16: SKITFQ3PI2AWHM7J · pith_short_8: SKITFQ3P

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/SKITFQ3PI2AWHM7JISY5UEEGPV \
  | 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: 929132c36f468163b3e944b1da10867d64ce3fdcd082efd656d33c9efcab9549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f6deec4eb426d100ed972c2a73ab0641257dd4193e10b8f3e4ace4aae027a99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2018-10-11T11:56:44Z",
    "title_canon_sha256": "71dc828627a79723a6911f8cf9ecaee8c1489d9ddf77c36f825592319a858ed0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04967",
    "kind": "arxiv",
    "version": 1
  }
}