Pith Number

pith:BQ6EJVJD

pith:2010:BQ6EJVJDWYUR6SENBORSQUYYEG

not attested not anchored not stored refs pending

Phase retrieval for characteristic functions of convex bodies and reconstruction from covariograms

Gabriele Bianchi, Markus Kiderlen, Richard J. Gardner

arxiv:1003.4486 v2 · 2010-03-23 · math.MG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQ6EJVJDWYUR6SENBORSQUYYEG}

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	2026-05-18T01:16:03.122329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c3c44d523b6291f488d0ba32853182197758fdbc6817d9cabd0cdd398eb6bb1

Aliases

arxiv: 1003.4486 · arxiv_version: 1003.4486v2 · doi: 10.48550/arxiv.1003.4486 · pith_short_12: BQ6EJVJDWYUR · pith_short_16: BQ6EJVJDWYUR6SEN · pith_short_8: BQ6EJVJD

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/BQ6EJVJDWYUR6SENBORSQUYYEG \
  | 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: 0c3c44d523b6291f488d0ba32853182197758fdbc6817d9cabd0cdd398eb6bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46621e73ef0141a4bd6bb195bcee93c1f56cb72a70621a778556bc4ff6c51d0f",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2010-03-23T18:24:01Z",
    "title_canon_sha256": "547aba3640b08ec2fdf476df165e99c9e2a6f9236f62247b4f980a66bb0c9d4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.4486",
    "kind": "arxiv",
    "version": 2
  }
}