Pith Number

pith:PCFULVO4

pith:2012:PCFULVO4GF6L7JEQGASXQH2HYI

not attested not anchored not stored refs pending

Nearest Neighbor Value Interpolation

Hanqiang Cao, Olivier Rukundo

arxiv:1211.1768 v2 · 2012-11-08 · 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{PCFULVO4GF6L7JEQGASXQH2HYI}

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	2026-05-17T23:52:19.489511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

788b45d5dc317cbfa4903025781f47c21e80a756b4c5831bafdffb85f662d70b

Aliases

arxiv: 1211.1768 · arxiv_version: 1211.1768v2 · doi: 10.48550/arxiv.1211.1768 · pith_short_12: PCFULVO4GF6L · pith_short_16: PCFULVO4GF6L7JEQ · pith_short_8: PCFULVO4

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/PCFULVO4GF6L7JEQGASXQH2HYI \
  | 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: 788b45d5dc317cbfa4903025781f47c21e80a756b4c5831bafdffb85f662d70b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0212a50d5c7a6c120257ecab3065a6222116fffe16f4df0279296ad4a8fcf89d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2012-11-08T06:50:44Z",
    "title_canon_sha256": "3bec70e7929eb5b2af6cdbce98be2f8f8cbbbc12f71d07756e628741932e34c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1768",
    "kind": "arxiv",
    "version": 2
  }
}