Pith Number

pith:64W5MTQB

pith:2015:64W5MTQBHV732QCZIK54MZWKXA

not attested not anchored not stored refs pending

From Nanopores to Macropores: Fractal Morphology of Graphite

Catherine Pappas, Henk Schut, Jacques Jestin, Stefan Hartmann, Sylvain Desert, Wim G. Bouwman, Zhou Zhou

arxiv:1509.05673 v1 · 2015-09-18 · 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{64W5MTQBHV732QCZIK54MZWKXA}

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	2026-05-18T01:32:42.624352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f72dd64e013d7fbd405942bbc666cab810adccc822725376aaad62bfb1344c48

Aliases

arxiv: 1509.05673 · arxiv_version: 1509.05673v1 · doi: 10.48550/arxiv.1509.05673 · pith_short_12: 64W5MTQBHV73 · pith_short_16: 64W5MTQBHV732QCZ · pith_short_8: 64W5MTQB

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/64W5MTQBHV732QCZIK54MZWKXA \
  | 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: f72dd64e013d7fbd405942bbc666cab810adccc822725376aaad62bfb1344c48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "566a6a151a4019d0c8544b92f2a14469e5e4a3e98c8688f387b26a91a54e1ca9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-09-18T15:51:25Z",
    "title_canon_sha256": "83ce7c3012951b596df78ff533220123799d5facee84f65717af5fdf64f1a4ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05673",
    "kind": "arxiv",
    "version": 1
  }
}