Pith Number

pith:RX7G44VV

pith:2013:RX7G44VVRHVXTJNDKN3GCUWSVK

not attested not anchored not stored refs pending

Convex recovery from interferometric measurements

Laurent Demanet, Vincent Jugnon

arxiv:1307.6864 v2 · 2013-07-25 · math.NA · cs.IT · math.IT · 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{RX7G44VVRHVXTJNDKN3GCUWSVK}

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	2026-05-18T00:26:09.231345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dfe6e72b589eb79a5a353766152d2aaa9e84fca7c9be26e31bbc7ba4b72b13a

Aliases

arxiv: 1307.6864 · arxiv_version: 1307.6864v2 · doi: 10.48550/arxiv.1307.6864 · pith_short_12: RX7G44VVRHVX · pith_short_16: RX7G44VVRHVXTJND · pith_short_8: RX7G44VV

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/RX7G44VVRHVXTJNDKN3GCUWSVK \
  | 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: 8dfe6e72b589eb79a5a353766152d2aaa9e84fca7c9be26e31bbc7ba4b72b13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1594fc6825da790e15c2fdfd2f4cc8d91a7074bfd5955998a2dacd9248c30e29",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-07-25T20:01:26Z",
    "title_canon_sha256": "550c63142bce2ea6939a1ea408ba6c849f7c280bc2b49842761e4e741e31c998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6864",
    "kind": "arxiv",
    "version": 2
  }
}