Pith Number

pith:GTKMDN7L

pith:2012:GTKMDN7LEG2H2U4IVNKX4FHW4E

not attested not anchored not stored refs pending

Exploiting spatial sparsity for multi-wavelength imaging in optical interferometry

\'Eric Thi\'ebaut, Ferr\'eol Soulez, Lo\"ic Denis

arxiv:1209.2362 v2 · 2012-09-11 · astro-ph.IM · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GTKMDN7LEG2H2U4IVNKX4FHW4E}

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	2026-05-18T01:54:30.432589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34d4c1b7eb21b47d5388ab557e14f6e13f70eae1dcc513d36af6aafe2c7cb7dc

Aliases

arxiv: 1209.2362 · arxiv_version: 1209.2362v2 · doi: 10.48550/arxiv.1209.2362 · pith_short_12: GTKMDN7LEG2H · pith_short_16: GTKMDN7LEG2H2U4I · pith_short_8: GTKMDN7L

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/GTKMDN7LEG2H2U4IVNKX4FHW4E \
  | 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: 34d4c1b7eb21b47d5388ab557e14f6e13f70eae1dcc513d36af6aafe2c7cb7dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "539895b91aa5162f30a714a68a8c4f469e9a80a5369dd86f832a9176acea5128",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-09-11T16:27:35Z",
    "title_canon_sha256": "58ca8c2030c843a607b81f661791c0af718c205388b5071bdae4820db78b2205"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2362",
    "kind": "arxiv",
    "version": 2
  }
}