Pith Number

pith:YGCOVAJ4

pith:2019:YGCOVAJ467AOCF65QTC2UWOO7M

not attested not anchored not stored refs pending

Oriented Objects as pairs of Middle Lines

Hao Li, Haoran Wei, Hongqi Wang, Xian Sun, Yue Zhang, Zhonghan Chang

arxiv:1912.10694 v3 · 2019-12-23 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YGCOVAJ467AOCF65QTC2UWOO7M}

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	2026-07-05T01:01:22.551837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c184ea813cf7c0e117dd84c5aa59cefb05a953ce310a1beef4366334efa72cfe

Aliases

arxiv: 1912.10694 · arxiv_version: 1912.10694v3 · doi: 10.48550/arxiv.1912.10694 · pith_short_12: YGCOVAJ467AO · pith_short_16: YGCOVAJ467AOCF65 · pith_short_8: YGCOVAJ4

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/YGCOVAJ467AOCF65QTC2UWOO7M \
  | 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: c184ea813cf7c0e117dd84c5aa59cefb05a953ce310a1beef4366334efa72cfe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56094a1814be15300443a4bb8d641bf38bdddca1e738d95ff1c1ccbfe165f61f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-12-23T09:08:35Z",
    "title_canon_sha256": "043bc301cb86e3a5a873893962f214e1b0157a61d8f75b98733ad268a307e313"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.10694",
    "kind": "arxiv",
    "version": 3
  }
}