Pith Number

pith:4CS6RT4B

pith:2015:4CS6RT4B3N2I6ORK23M5O4HWMT

not attested not anchored not stored refs pending

Fundamental gaps with approximate density functionals: the derivative discontinuity revealed from ensemble considerations

Eli Kraisler, Leeor Kronik

arxiv:1508.07567 v1 · 2015-08-30 · cond-mat.mtrl-sci · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CS6RT4B3N2I6ORK23M5O4HWMT}

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	2026-05-18T01:34:31.971606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0a5e8cf81db748f3a2ad6d9d770f664cde4800557b78503c0b34699ad2cbe68

Aliases

arxiv: 1508.07567 · arxiv_version: 1508.07567v1 · doi: 10.48550/arxiv.1508.07567 · pith_short_12: 4CS6RT4B3N2I · pith_short_16: 4CS6RT4B3N2I6ORK · pith_short_8: 4CS6RT4B

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/4CS6RT4B3N2I6ORK23M5O4HWMT \
  | 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: e0a5e8cf81db748f3a2ad6d9d770f664cde4800557b78503c0b34699ad2cbe68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d06f9c47cc9ffb3ea3c8bad867b241c8cb6e5929fbfb288c6c6ed36ce2125d6",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-08-30T13:05:52Z",
    "title_canon_sha256": "3a0bce90256b9565e790452239597f8210a79ece52b74237113a087a6bbc7ac3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07567",
    "kind": "arxiv",
    "version": 1
  }
}