Pith Number

pith:JTY2CZE5

pith:2011:JTY2CZE5OKEZO6NQM5EDLFVVF6

not attested not anchored not stored refs pending

A convergent algorithm for the hybrid problem of reconstructing conductivity from minimal interior data

Adrian Nachman, Alexandre Timonov, Amir Moradifam

arxiv:1112.1998 v1 · 2011-12-09 · math.AP · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JTY2CZE5OKEZO6NQM5EDLFVVF6}

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	2026-05-18T01:59:14.671815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4cf1a1649d72899779b067483596b52fa95f27d0c36f7572cefd3512cd03f29c

Aliases

arxiv: 1112.1998 · arxiv_version: 1112.1998v1 · doi: 10.48550/arxiv.1112.1998 · pith_short_12: JTY2CZE5OKEZ · pith_short_16: JTY2CZE5OKEZO6NQ · pith_short_8: JTY2CZE5

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/JTY2CZE5OKEZO6NQM5EDLFVVF6 \
  | 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: 4cf1a1649d72899779b067483596b52fa95f27d0c36f7572cefd3512cd03f29c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0843cb94df591ea04317038f03b11bcd38b5f8dae33922f1d6b0f881050faca0",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-12-09T01:58:38Z",
    "title_canon_sha256": "0d1ecc4d4b2e4ae943ddc8d1055e465bc2c6f6f8f9646bad305d553263ebab45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.1998",
    "kind": "arxiv",
    "version": 1
  }
}