Pith Number

pith:2M4AFD7A

pith:2015:2M4AFD7ATGYFTGJATPME7KSYBB

not attested not anchored not stored refs pending

Pore space analysis of beech wood: the vessel network

Falk K. Wittel, F. Marone, Hans J. Herrmann, M. Stampanoni, Peter Niemz, Philipp Hass, S. A. McDonald

arxiv:1509.03651 v1 · 2015-09-10 · cond-mat.mtrl-sci · cond-mat.soft

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2M4AFD7ATGYFTGJATPME7KSYBB}

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	2026-05-18T01:33:14.906538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d338028fe099b05999209bd84faa5808727208ca86f5f77e0f04ad5442ec8e84

Aliases

arxiv: 1509.03651 · arxiv_version: 1509.03651v1 · doi: 10.48550/arxiv.1509.03651 · pith_short_12: 2M4AFD7ATGYF · pith_short_16: 2M4AFD7ATGYFTGJA · pith_short_8: 2M4AFD7A

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/2M4AFD7ATGYFTGJATPME7KSYBB \
  | 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: d338028fe099b05999209bd84faa5808727208ca86f5f77e0f04ad5442ec8e84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c516362540ca857a78fac54add58a0c88192eedbe5eb1bfdef25d971357b65e",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-09-10T06:58:45Z",
    "title_canon_sha256": "73d928c1bc912f612521d6681d242313bb55b81ebd95fcff248eaed390fb08e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03651",
    "kind": "arxiv",
    "version": 1
  }
}