Pith Number

pith:QKZ2NXWT

pith:2018:QKZ2NXWTWQAJ5HJWFYP4KY44KZ

not attested not anchored not stored refs pending

Excitation of two-photon photoemission where epsilon is near zero on Ag(111)

Andi Li, Branko Gumhalter, Hrvoje Petek, Marcel Reutzel

arxiv:1809.02101 v1 · 2018-09-06 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKZ2NXWTWQAJ5HJWFYP4KY44KZ}

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	2026-05-17T23:41:12.971796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82b3a6ded3b4009e9d362e1fc5639c5665dc5ccd29b4e5525dd00574a4cf404b

Aliases

arxiv: 1809.02101 · arxiv_version: 1809.02101v1 · doi: 10.48550/arxiv.1809.02101 · pith_short_12: QKZ2NXWTWQAJ · pith_short_16: QKZ2NXWTWQAJ5HJW · pith_short_8: QKZ2NXWT

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/QKZ2NXWTWQAJ5HJWFYP4KY44KZ \
  | 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: 82b3a6ded3b4009e9d362e1fc5639c5665dc5ccd29b4e5525dd00574a4cf404b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e72ce900a0fa8ed1dd929c2ccd47edb4e79f0d69e2b9bc3851502d5ba74b2d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-09-06T17:17:53Z",
    "title_canon_sha256": "65afd2d36f5c9717672cae190e500376deb8cccbdb5b4949afd3941b35adc975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02101",
    "kind": "arxiv",
    "version": 1
  }
}