Pith Number

pith:T2LN3TPP

pith:2019:T2LN3TPPI53ZWHJYUKG2L7N52V

not attested not anchored not stored refs pending

On the Finite Element Implementation of Functionally Graded Materials

Emilio Mart\'inez-Pa\~neda

arxiv:1901.05738 v1 · 2019-01-17 · physics.comp-ph · 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{T2LN3TPPI53ZWHJYUKG2L7N52V}

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	2026-05-17T23:56:06.268125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e96ddcdef47779b1d38a28da5fdbdd5481e5037d9e43b316ab0766d8b509b46

Aliases

arxiv: 1901.05738 · arxiv_version: 1901.05738v1 · doi: 10.48550/arxiv.1901.05738 · pith_short_12: T2LN3TPPI53Z · pith_short_16: T2LN3TPPI53ZWHJY · pith_short_8: T2LN3TPP

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/T2LN3TPPI53ZWHJYUKG2L7N52V \
  | 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: 9e96ddcdef47779b1d38a28da5fdbdd5481e5037d9e43b316ab0766d8b509b46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69a683471096e5bce9ff4bfec7326546f538c1778df8c1a539c000f0f4721130",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-01-17T11:41:54Z",
    "title_canon_sha256": "9702654e9b9c1d7c9138afdaef98830d1838fa50ee240d5d1337f6e526ceee76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05738",
    "kind": "arxiv",
    "version": 1
  }
}