Pith Number

pith:KOVNKZKM

pith:2017:KOVNKZKMCTNNEVS3PZIZR7P6BN

not attested not anchored not stored refs pending

Quantitative characterization of pore structure of several biochars with 3D imaging

Anssi K\"alli, Hanne Wikberg, Jari Hyv\"aluoma, Kimmo Rasa, Markus Hannula, Sampo Kulju

arxiv:1705.08653 v1 · 2017-05-24 · 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{KOVNKZKMCTNNEVS3PZIZR7P6BN}

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	2026-05-18T00:04:13.727406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53aad5654c14dad2565b7e5198fdfe0b51fb78b9fa4aca00af9d0378867341d2

Aliases

arxiv: 1705.08653 · arxiv_version: 1705.08653v1 · doi: 10.48550/arxiv.1705.08653 · pith_short_12: KOVNKZKMCTNN · pith_short_16: KOVNKZKMCTNNEVS3 · pith_short_8: KOVNKZKM

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/KOVNKZKMCTNNEVS3PZIZR7P6BN \
  | 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: 53aad5654c14dad2565b7e5198fdfe0b51fb78b9fa4aca00af9d0378867341d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e720ed4e44b67afe439560cfcebc1d63bb969300cc9224090ce3ab0e3aaf60c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-05-24T08:29:17Z",
    "title_canon_sha256": "3c5537132ee253d67a79609f3f9a53967b99980e87f83f85c7d4c62abca52e82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08653",
    "kind": "arxiv",
    "version": 1
  }
}