Pith Number

pith:66ENDB42

pith:2025:66ENDB42Z4HZE6WVIAP6IXCD4L

not attested not anchored not stored refs pending

Reconstruction of coefficients in the double phase problem

C\u{a}t\u{a}lin I. C\^arstea, Philipp Zimmermann

arxiv:2504.01691 v1 · 2025-04-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66ENDB42Z4HZE6WVIAP6IXCD4L}

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.

Cited by

1 paper in Pith

An inverse source problem for the Monge--Ampere equation from large boundary data

Receipt and verification

First computed	2026-07-05T10:43:28.558501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f788d1879acf0f927ad5401fe45c43e2dc9ccab1e2803eccf4f7b91f802dcf9e

Aliases

arxiv: 2504.01691 · arxiv_version: 2504.01691v1 · doi: 10.48550/arxiv.2504.01691 · pith_short_12: 66ENDB42Z4HZ · pith_short_16: 66ENDB42Z4HZE6WV · pith_short_8: 66ENDB42

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/66ENDB42Z4HZE6WVIAP6IXCD4L \
  | 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: f788d1879acf0f927ad5401fe45c43e2dc9ccab1e2803eccf4f7b91f802dcf9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3828d449f8c5862c50818dc8bffe2083790badc9017e7b0ab005a34eb45af5ff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2025-04-02T12:44:48Z",
    "title_canon_sha256": "3d395c2db227fb309345250475dc28e3ac7102651499b465cd4bdec6d4ff663e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.01691",
    "kind": "arxiv",
    "version": 1
  }
}