Pith Number

pith:EQXY54RW

pith:1994:EQXY54RW3D4UE4Z56UFX7W7CFZ

not attested not anchored not stored refs pending

An Effective-Medium Tight-Binding Model for Silicon

J. K. N{\o}rskov, K. Stokbro, K. W. Jacobsen, N. Chetty

arxiv:cond-mat/9405019 v1 · 1994-05-09 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQXY54RW3D4UE4Z56UFX7W7CFZ}

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	2026-05-18T01:09:20.709783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

242f8ef236d8f942733df50b7fdbe22e71e4a68cfd3783b0641092a904a06cce

Aliases

arxiv: cond-mat/9405019 · arxiv_version: cond-mat/9405019v1 · doi: 10.48550/arxiv.cond-mat/9405019 · pith_short_12: EQXY54RW3D4U · pith_short_16: EQXY54RW3D4UE4Z5 · pith_short_8: EQXY54RW

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/EQXY54RW3D4UE4Z56UFX7W7CFZ \
  | 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: 242f8ef236d8f942733df50b7fdbe22e71e4a68cfd3783b0641092a904a06cce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4284db7c1ea4217d94d865a72aa12e9bf1f3663335ba3514d8d5d550c5aa08f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1994-05-09T13:17:16Z",
    "title_canon_sha256": "d2eb569346f31e07dab253817f19d6882cdb6586f4ea678c308e4eb260f6d028"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9405019",
    "kind": "arxiv",
    "version": 1
  }
}