Pith Number

pith:VURGDJ2N

pith:2019:VURGDJ2NGYCT523GLC3XPOBMC2

not attested not anchored not stored refs pending

Super regularity for Beltrami systems

Gaven J. Martin

arxiv:1903.01008 v1 · 2019-03-03 · 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{VURGDJ2NGYCT523GLC3XPOBMC2}

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	2026-05-17T23:52:12.554499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2261a74d36053eeb6658b777b82c16b05f5570fd5ec42ba38729544ea4a997

Aliases

arxiv: 1903.01008 · arxiv_version: 1903.01008v1 · doi: 10.48550/arxiv.1903.01008 · pith_short_12: VURGDJ2NGYCT · pith_short_16: VURGDJ2NGYCT523G · pith_short_8: VURGDJ2N

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/VURGDJ2NGYCT523GLC3XPOBMC2 \
  | 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: ad2261a74d36053eeb6658b777b82c16b05f5570fd5ec42ba38729544ea4a997

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6c68abf1a3a482f18d229fa005aa4519a7c817ad32087a74758d3ac9c2c4b0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-03-03T22:47:04Z",
    "title_canon_sha256": "3458afdf8b859601da57b1190a661916cf8a12f525455cc26cb754e408e99f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01008",
    "kind": "arxiv",
    "version": 1
  }
}