Pith Number

pith:DLRXLLAZ

pith:2025:DLRXLLAZYIFZ6LYVH5ZJ5OT7S2

not attested not anchored not stored refs pending

A well-posed variational approach to the identification and convergent approximation of material laws from boundary data

Michael Ortiz, Sergio Conti

arxiv:2501.02978 v1 · 2025-01-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLRXLLAZYIFZ6LYVH5ZJ5OT7S2}

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	2026-07-05T09:57:28.680994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ae375ac19c20b9f2f153f729eba7f96bb8cce102c36dea558b3ed86ea7fe804

Aliases

arxiv: 2501.02978 · arxiv_version: 2501.02978v1 · doi: 10.48550/arxiv.2501.02978 · pith_short_12: DLRXLLAZYIFZ · pith_short_16: DLRXLLAZYIFZ6LYV · pith_short_8: DLRXLLAZ

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/DLRXLLAZYIFZ6LYVH5ZJ5OT7S2 \
  | 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: 1ae375ac19c20b9f2f153f729eba7f96bb8cce102c36dea558b3ed86ea7fe804

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a49cf946d063d7729234667948216560119a2e1d975c3e8ef4a8f6f499691d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2025-01-06T12:38:48Z",
    "title_canon_sha256": "9c98c890b2869f39c88c45caed21ef1a461a35cabf06005360a4f20a59da1841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.02978",
    "kind": "arxiv",
    "version": 1
  }
}