Pith Number

pith:M77OMIQ7

pith:2021:M77OMIQ7EALA6EUZJO3KTMNUS5

not attested not anchored not stored refs pending

A comparative accuracy and convergence study of eigenerosion and phase-field models of fracture

Anna Pandolfi, Kerstin Weinberg, Michael Ortiz

arxiv:2101.12520 v1 · 2021-01-29 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M77OMIQ7EALA6EUZJO3KTMNUS5}

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	2026-07-05T03:10:27.849478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fee6221f20160f12994bb6a9b1b4976b783af67746499dfc690d7c18ba162c

Aliases

arxiv: 2101.12520 · arxiv_version: 2101.12520v1 · doi: 10.48550/arxiv.2101.12520 · pith_short_12: M77OMIQ7EALA · pith_short_16: M77OMIQ7EALA6EUZ · pith_short_8: M77OMIQ7

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/M77OMIQ7EALA6EUZJO3KTMNUS5 \
  | 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: 67fee6221f20160f12994bb6a9b1b4976b783af67746499dfc690d7c18ba162c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e136c7ea3a149f5221043768f2bd188a1866e50820ce42017cbb1c3ca4b6184a",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-01-29T11:01:35Z",
    "title_canon_sha256": "42dec990e67082e00062a2566f4c460298d51c189bb51d0e8cdf3673c27befee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.12520",
    "kind": "arxiv",
    "version": 1
  }
}