Pith Number

pith:MFJ4UFS7

pith:2026:MFJ4UFS7YKZKMNSAERESPMPYEE

not attested not anchored not stored refs pending

Phong-Rodrigues Extrinsic Vector-Field Processing

Amir Vaxman, Hongyi Liu, Mirela Ben-Chen, Misha Kazhdan, Oded Stein

arxiv:2601.10621 v2 · 2026-01-15 · 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{MFJ4UFS7YKZKMNSAERESPMPYEE}

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	2026-06-09T01:04:40.750415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6153ca165fc2b2a63640244927b1f8210f1809489212d5668555c42eb308a7c8

Aliases

arxiv: 2601.10621 · arxiv_version: 2601.10621v2 · doi: 10.48550/arxiv.2601.10621 · pith_short_12: MFJ4UFS7YKZK · pith_short_16: MFJ4UFS7YKZKMNSA · pith_short_8: MFJ4UFS7

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/MFJ4UFS7YKZKMNSAERESPMPYEE \
  | 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: 6153ca165fc2b2a63640244927b1f8210f1809489212d5668555c42eb308a7c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "745cdeb39af7cecd74e3b66ac32784709e122d656ba0752cc01f6a4a1ef00226",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2026-01-15T17:40:30Z",
    "title_canon_sha256": "b3f4f1d6045de2022562055b7be7fb7f25dc03ed86aa0d7d8c06c7410bded94b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.10621",
    "kind": "arxiv",
    "version": 2
  }
}