Pith Number

pith:X3T7ECXY

pith:2012:X3T7ECXYJ7BZ62SSCXT4F3NDKW

not attested not anchored not stored refs pending

A Nonzero Gap Two-Dimensional Carbon Allotrope from Porous Graphene

B. I. Santos, D. S. Galv\~ao, G. Brunetto, L. D. Machado, P. A. S. Autreto, R. P. B. dos Santos

arxiv:1205.6838 v2 · 2012-05-30 · cond-mat.mtrl-sci · physics.atm-clus · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3T7ECXYJ7BZ62SSCXT4F3NDKW}

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	2026-05-18T03:52:38.222046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bee7f20af84fc39f6a5215e7c2eda35592fbc7d02c769d2e0765fa944c9513e3

Aliases

arxiv: 1205.6838 · arxiv_version: 1205.6838v2 · doi: 10.48550/arxiv.1205.6838 · pith_short_12: X3T7ECXYJ7BZ · pith_short_16: X3T7ECXYJ7BZ62SS · pith_short_8: X3T7ECXY

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/X3T7ECXYJ7BZ62SSCXT4F3NDKW \
  | 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: bee7f20af84fc39f6a5215e7c2eda35592fbc7d02c769d2e0765fa944c9513e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13b21d63c2a4c7e36dae084bb63efe60d1c7fc6b9c35649f8370de65b8b5b0c7",
    "cross_cats_sorted": [
      "physics.atm-clus",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-05-30T21:32:54Z",
    "title_canon_sha256": "5a618ca56680512de1601c3564efa6fcae134b7047358ba86a829a4a9f29af42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6838",
    "kind": "arxiv",
    "version": 2
  }
}