Pith Number

pith:EXR4CMDO

pith:2009:EXR4CMDORNHWIMNTSI5CRAQZLX

not attested not anchored not stored refs pending

Evolving properties of two dimensional materials, from graphene to graphite

Biplab Sanyal, Carlos Ortiz, Mattias Klintenberg, Olle Eriksson, S\'ebastien Leb\`egue

arxiv:0903.2375 v1 · 2009-03-13 · 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{EXR4CMDORNHWIMNTSI5CRAQZLX}

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	2026-05-18T02:14:28.522690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25e3c1306e8b4f6431b3923a2882195dc058217f2aaa9d1b4e8a5f9248e36ea7

Aliases

arxiv: 0903.2375 · arxiv_version: 0903.2375v1 · doi: 10.48550/arxiv.0903.2375 · pith_short_12: EXR4CMDORNHW · pith_short_16: EXR4CMDORNHWIMNT · pith_short_8: EXR4CMDO

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/EXR4CMDORNHWIMNTSI5CRAQZLX \
  | 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: 25e3c1306e8b4f6431b3923a2882195dc058217f2aaa9d1b4e8a5f9248e36ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73fd940c6ccbefd2d1841fff15e2e1628d5ea56ea38023cdaa49a150a89f5d16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-03-13T12:52:51Z",
    "title_canon_sha256": "a821d3c68ddeda74d5d833bd3048b338d691d76ca965f09144f6b6b10947e5dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.2375",
    "kind": "arxiv",
    "version": 1
  }
}