pith. sign in
Pith Number

pith:EJ2M3JMU

pith:2011:EJ2M3JMURHU7P3Q6L2GM4O24KA
not attested not anchored not stored refs pending

Quantum chemical studies on beryllium hydride oligomers

Ch. Bheema Lingam, G. Vaitheeswaran, K. Ramesh Babu, Surya P. Tewari

arxiv:1105.0998 v1 · 2011-05-05 · cond-mat.mtrl-sci

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EJ2M3JMURHU7P3Q6L2GM4O24KA}

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 2026-05-18T04:22:49.475187Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2274cda59489e9f7ee1e5e8cce3b5c503aa866bd0d80448d4e80b0fa43ba0e0b

Aliases

arxiv: 1105.0998 · arxiv_version: 1105.0998v1 · doi: 10.48550/arxiv.1105.0998 · pith_short_12: EJ2M3JMURHU7 · pith_short_16: EJ2M3JMURHU7P3Q6 · pith_short_8: EJ2M3JMU
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EJ2M3JMURHU7P3Q6L2GM4O24KA \
  | 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: 2274cda59489e9f7ee1e5e8cce3b5c503aa866bd0d80448d4e80b0fa43ba0e0b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d7bc92228dd69aea09c51995def7bc139f3ea5a6030462c0a585a9d94f3cf849",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-05-05T07:03:46Z",
    "title_canon_sha256": "cc008f64a93a4464ebbec88591baf4ec0866835817a88e3e14b1b62cd29e287e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.0998",
    "kind": "arxiv",
    "version": 1
  }
}