Pith Number

pith:P7K4O6VE

pith:2012:P7K4O6VEFERNM56JRLW2VK73KE

not attested not anchored not stored refs pending

New Superhard Carbon Phases Between Graphite and Diamond

Chaoyu He, C. X. Zhang, Jianxin Zhong, K. W. Zhang, L. Z. Sun, Xiangyang Peng

arxiv:1203.5509 v3 · 2012-03-25 · 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{P7K4O6VEFERNM56JRLW2VK73KE}

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	2026-05-18T03:53:54.144651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd5c77aa42922d677c98aedaaabfb510f0b9bd564e774bcbedbd242a15ed8d1

Aliases

arxiv: 1203.5509 · arxiv_version: 1203.5509v3 · doi: 10.48550/arxiv.1203.5509 · pith_short_12: P7K4O6VEFERN · pith_short_16: P7K4O6VEFERNM56J · pith_short_8: P7K4O6VE

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/P7K4O6VEFERNM56JRLW2VK73KE \
  | 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: 7fd5c77aa42922d677c98aedaaabfb510f0b9bd564e774bcbedbd242a15ed8d1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "395234ffa9ec164f9c68e61b194553d1144990576835fc9e2f46ea1fb1efe192",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-03-25T15:45:41Z",
    "title_canon_sha256": "72924c8c6bd2cbe2b6ab08fb14a5f5d5e6a4e4edfa18d5290f38bf7ff18d9cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5509",
    "kind": "arxiv",
    "version": 3
  }
}