Pith Number

pith:X4RRTDLH

pith:2019:X4RRTDLHFF2GANVHYJTTK63MY4

not attested not anchored not stored refs pending

General techniques for approximate incidences and their application to the camera posing problem

Bernhard Zeisl, Dror Aiger, Efi Kokiopoulou, Haim Kaplan, Micha Sharir

arxiv:1903.07047 v1 · 2019-03-17 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X4RRTDLHFF2GANVHYJTTK63MY4}

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	2026-05-17T23:51:04.419804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf23198d6729746036a7c267357b6cc7239ffb7c8a8912ed885f90ead151665b

Aliases

arxiv: 1903.07047 · arxiv_version: 1903.07047v1 · doi: 10.48550/arxiv.1903.07047 · pith_short_12: X4RRTDLHFF2G · pith_short_16: X4RRTDLHFF2GANVH · pith_short_8: X4RRTDLH

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/X4RRTDLHFF2GANVHYJTTK63MY4 \
  | 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: bf23198d6729746036a7c267357b6cc7239ffb7c8a8912ed885f90ead151665b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a59c9cd2e2e793739e8af00cc98eb031c823c44d75d090aee9f69794a7ffd01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-03-17T09:44:23Z",
    "title_canon_sha256": "d14c93a28ca39e0c48bddb1d6c9e002a9512ea11a55c3fb5aa4604ac4ff3f0fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07047",
    "kind": "arxiv",
    "version": 1
  }
}