Pith Number

pith:IV6EUWRR

pith:2012:IV6EUWRRJYKUFBHJPLLG4QFJGE

not attested not anchored not stored refs pending

Sparse image reconstruction on the sphere: implications of a new sampling theorem

D. Van De Ville, G. Puy, J. D. McEwen, J.-Ph. Thiran, P. Vandergheynst, Y. Wiaux

arxiv:1205.1013 v2 · 2012-05-04 · cs.IT · astro-ph.IM · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IV6EUWRRJYKUFBHJPLLG4QFJGE}

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	2026-05-18T03:27:54.745142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

457c4a5a314e154284e97ad66e40a93131cc5c79ce6384863894502ec44326b5

Aliases

arxiv: 1205.1013 · arxiv_version: 1205.1013v2 · doi: 10.48550/arxiv.1205.1013 · pith_short_12: IV6EUWRRJYKU · pith_short_16: IV6EUWRRJYKUFBHJ · pith_short_8: IV6EUWRR

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/IV6EUWRRJYKUFBHJPLLG4QFJGE \
  | 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: 457c4a5a314e154284e97ad66e40a93131cc5c79ce6384863894502ec44326b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fcf5051f6c0b75244cd070c933bf0bc78f7919df901bf22d0c1d3355d70468c",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-04T17:18:16Z",
    "title_canon_sha256": "5becdca1cf0f6072152910ea404137bdf2f89e3542f95b9ffc8a3beb5d5e0d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1013",
    "kind": "arxiv",
    "version": 2
  }
}