Pith Number

pith:T72H627P

pith:2025:T72H627PVJCQLRGNFEAACLH3U4

not attested not anchored not stored refs pending

Reconstruction of source function in a parabolic equation using partial boundary measurements

K. Sakthivel, L. Beilina, T. Sharma

arxiv:2504.16070 v1 · 2025-04-22 · math.NA · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T72H627PVJCQLRGNFEAACLH3U4}

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	2026-07-05T10:52:34.983842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff47f6befaa4505c4cd2900012cfba73d8cae56a30a7fafa9f43438c1807156

Aliases

arxiv: 2504.16070 · arxiv_version: 2504.16070v1 · doi: 10.48550/arxiv.2504.16070 · pith_short_12: T72H627PVJCQ · pith_short_16: T72H627PVJCQLRGN · pith_short_8: T72H627P

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/T72H627PVJCQLRGNFEAACLH3U4 \
  | 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: 9ff47f6befaa4505c4cd2900012cfba73d8cae56a30a7fafa9f43438c1807156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75505100334a561a8f2aaa088185d8b604b10bdb95aeefc167d51ff48b73ea9d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-22T17:51:31Z",
    "title_canon_sha256": "aba7f3210c7394071ba748c6a6d0edafb8c88b88aa22367dabbc6c8f1f627f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16070",
    "kind": "arxiv",
    "version": 1
  }
}