Pith Number

pith:KYXPNDRJ

pith:2009:KYXPNDRJSEVASKMPLEKOKE5RYP

not attested not anchored not stored refs pending

Physical signatures of discontinuities of the time-dependent exchange-correlation potential

C. A. Ullrich, Daniel Vieira, K. Capelle

arxiv:0902.1164 v1 · 2009-02-06 · cond-mat.mes-hall · 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{KYXPNDRJSEVASKMPLEKOKE5RYP}

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	2026-05-17T23:50:29.206708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

562ef68e29912a09298f5914e513b1c3cc51e491bb28d2d5bf9adb8163ee3ac3

Aliases

arxiv: 0902.1164 · arxiv_version: 0902.1164v1 · doi: 10.48550/arxiv.0902.1164 · pith_short_12: KYXPNDRJSEVA · pith_short_16: KYXPNDRJSEVASKMP · pith_short_8: KYXPNDRJ

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/KYXPNDRJSEVASKMPLEKOKE5RYP \
  | 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: 562ef68e29912a09298f5914e513b1c3cc51e491bb28d2d5bf9adb8163ee3ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd931b1e86ead701eca9bb1940bd2775cf0ffa7d0d5b0b29c0053089369bd837",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-02-06T20:21:53Z",
    "title_canon_sha256": "fd894929d0f787b717645158909eefb21e72999ed98623a3a5518b7d596aa754"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1164",
    "kind": "arxiv",
    "version": 1
  }
}