Pith Number

pith:H4YZ2PMF

pith:2011:H4YZ2PMF5QRKDNRM6RZEOG4ZK7

not attested not anchored not stored refs pending

Universal conductivity and the electrodynamics of graphite at high pressures

A. Perucchi, C. Marini, F. Bernardini, L. Baldassarre, P. Postorino, S. Lupi, S. Massidda

arxiv:1111.1126 v2 · 2011-11-04 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4YZ2PMF5QRKDNRM6RZEOG4ZK7}

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	2026-05-18T03:51:23.693390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f319d3d85ec22a1b62cf472471b9957f51942584013c00ee69b3889284b567e

Aliases

arxiv: 1111.1126 · arxiv_version: 1111.1126v2 · doi: 10.48550/arxiv.1111.1126 · pith_short_12: H4YZ2PMF5QRK · pith_short_16: H4YZ2PMF5QRKDNRM · pith_short_8: H4YZ2PMF

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/H4YZ2PMF5QRKDNRM6RZEOG4ZK7 \
  | 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: 3f319d3d85ec22a1b62cf472471b9957f51942584013c00ee69b3889284b567e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74aa8b128b41f3f4f570fbd5951945768f0565342343aadbae21e4cd4b5f1dfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-11-04T13:38:05Z",
    "title_canon_sha256": "93d940e763915afe553e251abf730db6928d753b55a6f2f2c8c02a9f65585e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1126",
    "kind": "arxiv",
    "version": 2
  }
}