Pith Number

pith:QEJPONTF

pith:2008:QEJPONTFIROOWG4OJ4E6KCVB4N

not attested not anchored not stored refs pending

Exciton-plasmon states in nanoscale materials: breakdown of the Tamm-Dancoff approximation

Andrea Marini, Myrta Gr\"uning, Xavier Gonze

arxiv:0809.3389 v1 · 2008-09-19 · 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{QEJPONTFIROOWG4OJ4E6KCVB4N}

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	2026-05-18T02:15:34.192043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8112f73665445ceb1b8e4f09e50aa1e37b2795a6ccf93266272cb96fa76c17bb

Aliases

arxiv: 0809.3389 · arxiv_version: 0809.3389v1 · doi: 10.48550/arxiv.0809.3389 · pith_short_12: QEJPONTFIROO · pith_short_16: QEJPONTFIROOWG4O · pith_short_8: QEJPONTF

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/QEJPONTFIROOWG4OJ4E6KCVB4N \
  | 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: 8112f73665445ceb1b8e4f09e50aa1e37b2795a6ccf93266272cb96fa76c17bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818c3d60e23f297a7b72925a3c37696061448346b087aa9226377786ceccf5ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2008-09-19T14:44:46Z",
    "title_canon_sha256": "6f39755c66368a43c345b692325aeda0c33524631649905dac1a2fc979603e0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3389",
    "kind": "arxiv",
    "version": 1
  }
}