Pith Number

pith:VGHRQ533

pith:2013:VGHRQ533UBFYYWRMOCBDQHIHPJ

not attested not anchored not stored refs pending

Massive production of graphene oxide from expanded graphite

Bunshi Fugetsu, Ling Sun

arxiv:1301.3253 v1 · 2013-01-15 · 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{VGHRQ533UBFYYWRMOCBDQHIHPJ}

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	2026-05-18T03:17:24.613597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a98f18777ba04b8c5a2c7082381d077a48d77c4fbd3e3acfcf97f76ddcd95b6d

Aliases

arxiv: 1301.3253 · arxiv_version: 1301.3253v1 · doi: 10.48550/arxiv.1301.3253 · pith_short_12: VGHRQ533UBFY · pith_short_16: VGHRQ533UBFYYWRM · pith_short_8: VGHRQ533

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/VGHRQ533UBFYYWRMOCBDQHIHPJ \
  | 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: a98f18777ba04b8c5a2c7082381d077a48d77c4fbd3e3acfcf97f76ddcd95b6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e771c8b320715f06e80ad02b7bd9e620397eef538617f64d150f768f42b967c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-01-15T07:53:25Z",
    "title_canon_sha256": "ed342d4cf06aa96b113cc565528b8df98fd4144dcf38aa8ab9f6a9b5f803299c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3253",
    "kind": "arxiv",
    "version": 1
  }
}