Pith Number

pith:TLPCLH3Q

pith:2010:TLPCLH3QMYYZAGLC6GBSXERZHH

not attested not anchored not stored refs pending

New global stability estimates for the Gel'fand-Calderon inverse problem

Roman Novikov (CMAP)

arxiv:1002.0153 v3 · 2010-01-31 · math.AP · 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{TLPCLH3QMYYZAGLC6GBSXERZHH}

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	2026-05-18T04:27:36.204045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ade259f706631901962f1832b923939c9aa92997f01ebbf5f34d52f2a3b2fad

Aliases

arxiv: 1002.0153 · arxiv_version: 1002.0153v3 · doi: 10.48550/arxiv.1002.0153 · pith_short_12: TLPCLH3QMYYZ · pith_short_16: TLPCLH3QMYYZAGLC · pith_short_8: TLPCLH3Q

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/TLPCLH3QMYYZAGLC6GBSXERZHH \
  | 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: 9ade259f706631901962f1832b923939c9aa92997f01ebbf5f34d52f2a3b2fad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951d4814f7ec2b7324cb6bd3eba4cab0781674b783787023e0630ea021676124",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-01-31T20:22:20Z",
    "title_canon_sha256": "c6eac1779901c45f402dfc08a16bc03e43d1f5088cd6f41a16a19e72935470bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0153",
    "kind": "arxiv",
    "version": 3
  }
}