Pith Number

pith:DCYT47FM

pith:2012:DCYT47FMP77K4T4J3AHKAHQRID

not attested not anchored not stored refs pending

Exact Density-Functionals with Initial-State Dependence and Memory

M. Ruggenthaler, R. van Leeuwen, S. E. B. Nielsen

arxiv:1209.2949 v3 · 2012-09-13 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCYT47FMP77K4T4J3AHKAHQRID}

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	2026-05-18T03:15:20.993825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18b13e7cac7ffeae4f89d80ea01e1140f95008709b6d11a63a43ce0a7dbf0d8e

Aliases

arxiv: 1209.2949 · arxiv_version: 1209.2949v3 · doi: 10.48550/arxiv.1209.2949 · pith_short_12: DCYT47FMP77K · pith_short_16: DCYT47FMP77K4T4J · pith_short_8: DCYT47FM

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/DCYT47FMP77K4T4J3AHKAHQRID \
  | 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: 18b13e7cac7ffeae4f89d80ea01e1140f95008709b6d11a63a43ce0a7dbf0d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78257c6df9d091e37216b0d793a1c63b138e24c131a68dcabefa4283409a68f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2012-09-13T16:24:05Z",
    "title_canon_sha256": "cb3342721adb77492b033e698f120fdb0fdfa8010e771cae3737fe97c30f069f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2949",
    "kind": "arxiv",
    "version": 3
  }
}