Pith Number

pith:PTJGVRK4

pith:2010:PTJGVRK4WUAB53POU7TULGBCPY

not attested not anchored not stored refs pending

The Hubbard model as an approximation to the entanglement in nanostructures

I. D'Amico, J. P. Coe, V. V. Fran\c{c}a

arxiv:1003.3562 v1 · 2010-03-18 · cond-mat.str-el · quant-ph

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

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	2026-05-18T04:40:34.042042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd26ac55cb5001eedeea7e74598227e3d438f93890ab03acc0a2451e27b5911

Aliases

arxiv: 1003.3562 · arxiv_version: 1003.3562v1 · doi: 10.48550/arxiv.1003.3562 · pith_short_12: PTJGVRK4WUAB · pith_short_16: PTJGVRK4WUAB53PO · pith_short_8: PTJGVRK4

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/PTJGVRK4WUAB53POU7TULGBCPY \
  | 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: 7cd26ac55cb5001eedeea7e74598227e3d438f93890ab03acc0a2451e27b5911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e63910d0c3cf326d7372904ea796ab5edb0bf5e2d5caa95b5e1cbcf41c2948",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2010-03-18T11:49:58Z",
    "title_canon_sha256": "ee3f81c93731980155c16bc333f082545018d3bb1865342c9a466b560fbd21be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3562",
    "kind": "arxiv",
    "version": 1
  }
}