Pith Number

pith:IPCQEJ6U

pith:2018:IPCQEJ6U2CI5MQYHPURDD52DAW

not attested not anchored not stored refs pending

Vectorization of Line Drawings via PolyVector Fields

Justin Solomon, Mikhail Bessmeltsev

arxiv:1801.01922 v2 · 2018-01-05 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPCQEJ6U2CI5MQYHPURDD52DAW}

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	2026-05-18T00:06:25.249618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43c50227d4d091d643077d2231f74305b2cdfa1a98d41c0cb1ecc573fae849a8

Aliases

arxiv: 1801.01922 · arxiv_version: 1801.01922v2 · doi: 10.48550/arxiv.1801.01922 · pith_short_12: IPCQEJ6U2CI5 · pith_short_16: IPCQEJ6U2CI5MQYH · pith_short_8: IPCQEJ6U

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/IPCQEJ6U2CI5MQYHPURDD52DAW \
  | 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: 43c50227d4d091d643077d2231f74305b2cdfa1a98d41c0cb1ecc573fae849a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2701d60791a0b3b791bf579b116071147063d67491532f3636800bdf108e5eca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2018-01-05T21:26:48Z",
    "title_canon_sha256": "8e510d65e16ff49f5064a4e873bbb83240bf8f884c988df8399cb7234a5ace4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01922",
    "kind": "arxiv",
    "version": 2
  }
}