Pith Number

pith:WC2TTKW3

pith:2008:WC2TTKW3BEEIZKZXYPQK2YYUJU

not attested not anchored not stored refs pending

Pressure and alloying effects on the metal to insulator transition in NiS{2-x}Se{x} studied by infrared spectroscopy

A. Perucchi, A. Toschi, C. Marini, D. D. Sarma, D. Topwal, G. Sangiovanni, K. Held, M. Valentini, O. Jepsen, P. Dore, P. Hansmann, P. Postorino, R. Sopracase, S. Lupi

arxiv:0811.2154 v3 · 2008-11-13 · 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{WC2TTKW3BEEIZKZXYPQK2YYUJU}

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	2026-07-04T15:46:22.975003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b539aadb09088cab37c3e0ad63144d267632c4f05c55f85f3f9d2eaff464d7

Aliases

arxiv: 0811.2154 · arxiv_version: 0811.2154v3 · doi: 10.48550/arxiv.0811.2154 · pith_short_12: WC2TTKW3BEEI · pith_short_16: WC2TTKW3BEEIZKZX · pith_short_8: WC2TTKW3

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/WC2TTKW3BEEIZKZXYPQK2YYUJU \
  | 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: b0b539aadb09088cab37c3e0ad63144d267632c4f05c55f85f3f9d2eaff464d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd7d476d44039b09fc23421e88c3a9ca1d0fe00b956179add93323c108f59119",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2008-11-13T16:16:05Z",
    "title_canon_sha256": "23dd0619efc85fcbba76794a3ffaac1615593269ca99457bd03100a75f97f7e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2154",
    "kind": "arxiv",
    "version": 3
  }
}