Pith Number

pith:Q7JEKGXV

pith:2016:Q7JEKGXVFTWTSJM6S7UXNIWCHA

not attested not anchored not stored refs pending

Experimental evidence for bulk superconductivity in pure Bismuth single crystal at ambient pressure

Anil Kumar, A. Thamizhavel, Om Prakash, S. Ramakrishnan

arxiv:1603.04310 v4 · 2016-03-14 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7JEKGXVFTWTSJM6S7UXNIWCHA}

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	2026-05-18T00:50:40.340113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87d2451af52ced39259e97e976a2c2382a58aded37eef4492ac52e36458ab803

Aliases

arxiv: 1603.04310 · arxiv_version: 1603.04310v4 · doi: 10.48550/arxiv.1603.04310 · pith_short_12: Q7JEKGXVFTWT · pith_short_16: Q7JEKGXVFTWTSJM6 · pith_short_8: Q7JEKGXV

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/Q7JEKGXVFTWTSJM6S7UXNIWCHA \
  | 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: 87d2451af52ced39259e97e976a2c2382a58aded37eef4492ac52e36458ab803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e66e6a53433f90b21793900d531707f2cf68425a89cada5806b08c2eaaebe39b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2016-03-14T15:50:00Z",
    "title_canon_sha256": "5488e5cd34da529121f414d806b59505f2e063053af2a543ff34c4dae8dc88bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04310",
    "kind": "arxiv",
    "version": 4
  }
}