Pith Number

pith:7EYB5DPB

pith:2022:7EYB5DPBWMQY5TLIWM2N4HYY4R

not attested not anchored not stored refs pending

Two-dimensional Ferronematics, Canonical Harmonic Maps and Minimal Connections

Apala Majumdar, Bianca Stroffolini, Giacomo Canevari, Yiwei Wang

arxiv:2208.01586 v2 · 2022-08-02 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EYB5DPBWMQY5TLIWM2N4HYY4R}

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	2026-07-05T06:37:50.526458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9301e8de1b3218ecd68b334de1f18e473c4dbc0d06f939baaaa85b3d13ae98c

Aliases

arxiv: 2208.01586 · arxiv_version: 2208.01586v2 · doi: 10.48550/arxiv.2208.01586 · pith_short_12: 7EYB5DPBWMQY · pith_short_16: 7EYB5DPBWMQY5TLI · pith_short_8: 7EYB5DPB

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/7EYB5DPBWMQY5TLIWM2N4HYY4R \
  | 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: f9301e8de1b3218ecd68b334de1f18e473c4dbc0d06f939baaaa85b3d13ae98c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56e52f33b8be68673bb6b34fef894ba59f8fcc45eea5e197cb83245cccb67123",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2022-08-02T16:43:57Z",
    "title_canon_sha256": "3047fc90c73cb25986756508495ec3da583e0f4288183599c446f7378fe78f44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.01586",
    "kind": "arxiv",
    "version": 2
  }
}