Pith Number

pith:OD4YV6O2

pith:2022:OD4YV6O2MVXRHBVUZWQ7JUBMZL

not attested not anchored not stored refs pending

The surface-topography challenge: Problem definition

Lars Pastewka, Martin H. M\"user, Nathaniel Miller, Tevis D. B. Jacobs

arxiv:2206.13384 v1 · 2022-06-27 · 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{OD4YV6O2MVXRHBVUZWQ7JUBMZL}

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	2026-07-05T04:35:06.239940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70f98af9da656f1386b4cda1f4d02ccacef4bef60f5c7fe7c4e96a6bd17e2fbe

Aliases

arxiv: 2206.13384 · arxiv_version: 2206.13384v1 · doi: 10.48550/arxiv.2206.13384 · pith_short_12: OD4YV6O2MVXR · pith_short_16: OD4YV6O2MVXRHBVU · pith_short_8: OD4YV6O2

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/OD4YV6O2MVXRHBVUZWQ7JUBMZL \
  | 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: 70f98af9da656f1386b4cda1f4d02ccacef4bef60f5c7fe7c4e96a6bd17e2fbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b0775b5be809a278342ee178329a30c3a4b9d80442a33cec4e8a71d06132099",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2022-06-27T15:43:16Z",
    "title_canon_sha256": "f3875d5e925ea8e04af96bcf73d9bcaaa62505210d5370e40637dc9105adc340"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.13384",
    "kind": "arxiv",
    "version": 1
  }
}