Pith Number

pith:ULZUGUC2

pith:2020:ULZUGUC2FQJAMLFKEQSQMR3AE5

not attested not anchored not stored refs pending

Understanding real-time time-dependent density-functional theory simulations of ultrafast laser-induced dynamics in organic molecules

Ana M. Valencia, Carlo A. Rozzi, Caterina Cocchi, Jannis Krumland, Stefano Pittalis

arxiv:2003.08669 v2 · 2020-03-19 · 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{ULZUGUC2FQJAMLFKEQSQMR3AE5}

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	2026-07-05T01:27:21.955224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f343505a2c12062caa2425064760275e8501441f2abd1024528a7104c82c9a

Aliases

arxiv: 2003.08669 · arxiv_version: 2003.08669v2 · doi: 10.48550/arxiv.2003.08669 · pith_short_12: ULZUGUC2FQJA · pith_short_16: ULZUGUC2FQJAMLFK · pith_short_8: ULZUGUC2

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/ULZUGUC2FQJAMLFKEQSQMR3AE5 \
  | 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: a2f343505a2c12062caa2425064760275e8501441f2abd1024528a7104c82c9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ef5d82a0e92084fb3ea86a9ab9d0e13377e578cb656ca1e5c2d02f48619966c",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2020-03-19T10:39:26Z",
    "title_canon_sha256": "9169642c8b25d6db38b4f85ddbd96e3dcecb7f4c3aae593939d0e4827ea09919"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.08669",
    "kind": "arxiv",
    "version": 2
  }
}