Pith Number

pith:NIUODF3S

pith:2011:NIUODF3SQKT7BX45AWE5PBC4TZ

not attested not anchored not stored refs pending

The quasi-free-standing nature of graphene on H-saturated SiC(0001)

D. Waldmann, F. Fromm, F. Speck, H. B. Weber, J. Jobst, M. Hundhausen, M. Ostler, Th. Seyller

arxiv:1103.3997 v2 · 2011-03-21 · 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{NIUODF3SQKT7BX45AWE5PBC4TZ}

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	2026-05-18T04:12:00.592256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a28e1977282a7f0df9d0589d7845c9e5b77caa6d60d19be569945b3fa9fe9de

Aliases

arxiv: 1103.3997 · arxiv_version: 1103.3997v2 · doi: 10.48550/arxiv.1103.3997 · pith_short_12: NIUODF3SQKT7 · pith_short_16: NIUODF3SQKT7BX45 · pith_short_8: NIUODF3S

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/NIUODF3SQKT7BX45AWE5PBC4TZ \
  | 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: 6a28e1977282a7f0df9d0589d7845c9e5b77caa6d60d19be569945b3fa9fe9de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95a2f28fe1ba569a9987798f743f0108a02457f08ec462dbd168442a6bd3caf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-03-21T13:09:47Z",
    "title_canon_sha256": "d56dec48596a6948e81fec427c9c7dabc39b31ded0d2ce77f514a9868ee7d8dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3997",
    "kind": "arxiv",
    "version": 2
  }
}