Pith Number

pith:37ZJA67D

pith:2011:37ZJA67DVM2CXPUCE3PHUY2EFZ

not attested not anchored not stored refs pending

Discontinuities of the exchange-correlation kernel and charge-transfer excitations in time-dependent density functional theory

E. K. U. Gross, M. Hellgren

arxiv:1108.3100 v2 · 2011-08-15 · cond-mat.mes-hall · physics.atom-ph · physics.chem-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	2026-05-18T02:00:53.617839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dff2907be3ab342bbe8226de7a63442e6e68976306b596f6adcd02c1def7a3e2

Aliases

arxiv: 1108.3100 · arxiv_version: 1108.3100v2 · doi: 10.48550/arxiv.1108.3100 · pith_short_12: 37ZJA67DVM2C · pith_short_16: 37ZJA67DVM2CXPUC · pith_short_8: 37ZJA67D

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/37ZJA67DVM2CXPUCE3PHUY2EFZ \
  | 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: dff2907be3ab342bbe8226de7a63442e6e68976306b596f6adcd02c1def7a3e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f684ee9d4e8113b217197e096e70ca46aa5727937e26f1a14722e7fd55bbf3b",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2011-08-15T21:29:11Z",
    "title_canon_sha256": "25c2d8975192e900d9d42d206e7e4ca2129f65e3135e9c6c66d69403b65e3533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.3100",
    "kind": "arxiv",
    "version": 2
  }
}