Pith Number

pith:OUDDDKNR

pith:2015:OUDDDKNRTOE3RXO2Q676YZHV7L

not attested not anchored not stored refs pending

Globally strictly convex cost functional for an inverse parabolic problem

Michael V. Klibanov, Vladimir G. Kamburg

arxiv:1502.01285 v1 · 2015-02-04 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OUDDDKNRTOE3RXO2Q676YZHV7L}

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	2026-05-18T01:16:53.176488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06

Aliases

arxiv: 1502.01285 · arxiv_version: 1502.01285v1 · doi: 10.48550/arxiv.1502.01285 · pith_short_12: OUDDDKNRTOE3 · pith_short_16: OUDDDKNRTOE3RXO2 · pith_short_8: OUDDDKNR

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/OUDDDKNRTOE3RXO2Q676YZHV7L \
  | 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: 750631a9b19b89b8ddda87bfec64f5fac8e6b1084906c417277ddbf407cc3f06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6804ebf3e69272f74e8e704e512d7561bcbdbe4e7c184321dfafac5225198630",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-02-04T18:41:03Z",
    "title_canon_sha256": "43cb64386656f3cd0f68372818e2cb0f560a863e5936b330b1a7313d8f4dc916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01285",
    "kind": "arxiv",
    "version": 1
  }
}