Pith Number

pith:M4TD3AZA

pith:2014:M4TD3AZAFO5XTH3CM66N3ORI3K

not attested not anchored not stored refs pending

Rank-constrained fundamental matrix estimation by polynomial global optimization versus the eight-point algorithm

Adrien Bartoli (ISIT), CTU/FEE), Didier Henrion (LAAS, Florian Bugarin (ICA), Jean-Bernard Lasserre (LAAS), Jean-Jos\'e Orteu (ICA), LAAS), Thierry Sentenac (ICA

arxiv:1403.4806 v1 · 2014-03-19 · 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{M4TD3AZAFO5XTH3CM66N3ORI3K}

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	2026-05-18T02:56:04.419717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67263d83202bbb799f6267bcddba28da87daa7dd181ef2735cd128d7590b7faf

Aliases

arxiv: 1403.4806 · arxiv_version: 1403.4806v1 · doi: 10.48550/arxiv.1403.4806 · pith_short_12: M4TD3AZAFO5X · pith_short_16: M4TD3AZAFO5XTH3C · pith_short_8: M4TD3AZA

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/M4TD3AZAFO5XTH3CM66N3ORI3K \
  | 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: 67263d83202bbb799f6267bcddba28da87daa7dd181ef2735cd128d7590b7faf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "760f0c538aed3a274628d13461cb43e9d9e50823bfb0a75d30eb1a4fb3a35554",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-03-19T14:13:04Z",
    "title_canon_sha256": "7d26ed3b381e6f495a0a34ae272563e23de9f51e701a17de8fd2f51acdb98fa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4806",
    "kind": "arxiv",
    "version": 1
  }
}