Pith Number

pith:N7PIHJQW

pith:2018:N7PIHJQWSL7SET7RWYWFRLUKN4

not attested not anchored not stored refs pending

Effects of pyrolysis temperature on the hydrologically relevant porosity of willow biochar

Hailong Wang, Jari Hyv\"aluoma, Kai Arstila, Kimmo Rasa, Markus Hannula, Sampo Kulju

arxiv:1810.07417 v1 · 2018-10-17 · cond-mat.mtrl-sci · physics.app-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{N7PIHJQWSL7SET7RWYWFRLUKN4}

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	2026-05-18T00:02:56.443154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fde83a61692ff224ff1b62c58ae8a6f0917c5e33f880de9a65738b045b1a361

Aliases

arxiv: 1810.07417 · arxiv_version: 1810.07417v1 · doi: 10.48550/arxiv.1810.07417 · pith_short_12: N7PIHJQWSL7S · pith_short_16: N7PIHJQWSL7SET7R · pith_short_8: N7PIHJQW

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/N7PIHJQWSL7SET7RWYWFRLUKN4 \
  | 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: 6fde83a61692ff224ff1b62c58ae8a6f0917c5e33f880de9a65738b045b1a361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437a5070a31146040ac2aadce5fdfa4469be1619365c35c117d50782f2730b2c",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-10-17T07:52:52Z",
    "title_canon_sha256": "6050e23f4b285072479a2fd824d87e18ba3818c2320b93c1c6adc7963ab02620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07417",
    "kind": "arxiv",
    "version": 1
  }
}