Pith Number

pith:FQTNZ4AI

pith:2009:FQTNZ4AIQHQ5L4V5CPTK5ZH62V

not attested not anchored not stored refs pending

Phase-Space Explorations in Time-Dependent Density Functional Theory

Arun K. Rajam, Christian Gaun, Neepa T. Maitra, Paul Hessler

arxiv:0902.1965 v1 · 2009-02-11 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQTNZ4AIQHQ5L4V5CPTK5ZH62V}

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	2026-07-04T17:23:51.191649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c26dcf00881e1d5f2bd13e6aee4fed555a7a7813433ea2d8fb1c24a1d578edc

Aliases

arxiv: 0902.1965 · arxiv_version: 0902.1965v1 · doi: 10.48550/arxiv.0902.1965 · pith_short_12: FQTNZ4AIQHQ5 · pith_short_16: FQTNZ4AIQHQ5L4V5 · pith_short_8: FQTNZ4AI

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/FQTNZ4AIQHQ5L4V5CPTK5ZH62V \
  | 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: 2c26dcf00881e1d5f2bd13e6aee4fed555a7a7813433ea2d8fb1c24a1d578edc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d925d6d2da6c8f9bc7535ad180a8037f487071ac2cbef615dc88ead82ca6ee3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-02-11T19:15:54Z",
    "title_canon_sha256": "b680aed578d7aac580688b37814c8318902023738ab09189a25d5a448a44123b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1965",
    "kind": "arxiv",
    "version": 1
  }
}