Pith Number

pith:O3CLASCT

pith:2022:O3CLASCTYVWHC4YXGBKBC7GC2M

not attested not anchored not stored refs pending

contact.engineering -- Create, analyze and publish digital surface twins from topography measurements across many scales

Abhijeet Gujrati, Antoine Sanner, Joseph M. Monti, Lars Pastewka, Luke A. Thimons, Michael C. R\"ottger, Tevis D. B. Jacobs, Till Junge, Wolfram G. N\"ohring

arxiv:2203.13606 v2 · 2022-03-25 · 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{O3CLASCTYVWHC4YXGBKBC7GC2M}

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	2026-07-05T04:58:35.730880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76c4b04853c56c7173173054117cc2d320f7a1242e33325254d9586bb70e6734

Aliases

arxiv: 2203.13606 · arxiv_version: 2203.13606v2 · doi: 10.48550/arxiv.2203.13606 · pith_short_12: O3CLASCTYVWH · pith_short_16: O3CLASCTYVWHC4YX · pith_short_8: O3CLASCT

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/O3CLASCTYVWHC4YXGBKBC7GC2M \
  | 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: 76c4b04853c56c7173173054117cc2d320f7a1242e33325254d9586bb70e6734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68120544ce22640e20a08ba649a07c5d62bffb4ca8b878f9872da8ed707ed09b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2022-03-25T12:12:25Z",
    "title_canon_sha256": "2bee4f144aeeb366d9b333ed6379935bc92ce683c8274212b1bff301ecd58aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13606",
    "kind": "arxiv",
    "version": 2
  }
}