Pith Number

pith:QSC4URVK

pith:2015:QSC4URVKVMSLL5XWQSEFBXXPYJ

not attested not anchored not stored refs pending

Strain dependent elastic modulus of graphene

Cristina G\'omez-Navarro, Francisco Guinea, Guillermo L\'opez-Pol\'in, Julio G\'omez-Herrero, Miriam Jaafar, Rafael Rold\'an

arxiv:1504.05521 v1 · 2015-04-21 · 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{QSC4URVKVMSLL5XWQSEFBXXPYJ}

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	2026-05-18T00:31:52.405070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8485ca46aaab24b5f6f6848850deefc276ec79f9ba66a3373a81c672885d4139

Aliases

arxiv: 1504.05521 · arxiv_version: 1504.05521v1 · doi: 10.48550/arxiv.1504.05521 · pith_short_12: QSC4URVKVMSL · pith_short_16: QSC4URVKVMSLL5XW · pith_short_8: QSC4URVK

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/QSC4URVKVMSLL5XWQSEFBXXPYJ \
  | 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: 8485ca46aaab24b5f6f6848850deefc276ec79f9ba66a3373a81c672885d4139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45d5f79e4cfd10b540dc5b6a391b3e722319a869d40c94d666c7317ec9c70573",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-04-21T17:41:18Z",
    "title_canon_sha256": "53ffdf48e3e6b5449fd145848cc98dace478ebfc950c28a4b4a549295939d7ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05521",
    "kind": "arxiv",
    "version": 1
  }
}