Pith Number

pith:SR6UO5YL

pith:2007:SR6UO5YL6R32IRSEL37DLP5WBB

not attested not anchored not stored refs pending

Entanglement and density-functional theory: testing approximations on Hooke's atom

A. Sudbery, I. D'Amico, J. P. Coe

arxiv:0712.3819 v3 · 2007-12-21 · quant-ph · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SR6UO5YL6R32IRSEL37DLP5WBB}

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	2026-05-18T02:24:57.675940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

947d47770bf477a446445efe35bfb60858b95083a3ab175348b55a9bf4a5d87e

Aliases

arxiv: 0712.3819 · arxiv_version: 0712.3819v3 · doi: 10.48550/arxiv.0712.3819 · pith_short_12: SR6UO5YL6R32 · pith_short_16: SR6UO5YL6R32IRSE · pith_short_8: SR6UO5YL

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/SR6UO5YL6R32IRSEL37DLP5WBB \
  | 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: 947d47770bf477a446445efe35bfb60858b95083a3ab175348b55a9bf4a5d87e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a33c283b5aa37e34cff286814c39d63447462a8cc8a65e2ac44eb53432005ed2",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-12-21T23:41:09Z",
    "title_canon_sha256": "59a4bd043457afafb222f4a44cd7d9d5d70aeab8d79b58290ba1b95280697691"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0712.3819",
    "kind": "arxiv",
    "version": 3
  }
}