Pith Number

pith:HPGCX2Z2

pith:2012:HPGCX2Z23LGIHWVT3WBYHZ6U64

not attested not anchored not stored refs pending

Single-logarithmic stability for the Calder\'on problem with local data

Giovanni Alessandrini, Kyoungsun Kim

arxiv:1202.5485 v1 · 2012-02-24 · 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{HPGCX2Z23LGIHWVT3WBYHZ6U64}

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	2026-05-18T02:54:14.513503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bcc2beb3adacc83dab3dd8383e7d4f72f04d77ed6fd949a3de19036e9f50005

Aliases

arxiv: 1202.5485 · arxiv_version: 1202.5485v1 · doi: 10.48550/arxiv.1202.5485 · pith_short_12: HPGCX2Z23LGI · pith_short_16: HPGCX2Z23LGIHWVT · pith_short_8: HPGCX2Z2

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/HPGCX2Z23LGIHWVT3WBYHZ6U64 \
  | 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: 3bcc2beb3adacc83dab3dd8383e7d4f72f04d77ed6fd949a3de19036e9f50005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6abba0cfeefb35601a4a9f8bed6902859d76388095dff79490fb0e33f9125d9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-02-24T16:03:55Z",
    "title_canon_sha256": "063617e516a82191fdf936ef5b8144c285675e760fbb7c8b0343667a8c51f9c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5485",
    "kind": "arxiv",
    "version": 1
  }
}