Pith Number

pith:EYC7AM3D

pith:2020:EYC7AM3D2EWPP325JVH5UEPH4T

not attested not anchored not stored refs pending

An isoperimetric problem with a competing nonlocal singular term

Antoine Mellet, Yijing Wu

arxiv:2009.03794 v1 · 2020-09-08 · 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{EYC7AM3D2EWPP325JVH5UEPH4T}

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	2026-07-05T01:33:50.815372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2605f03363d12cf7ef5d4d4fda11e7e4e958b1b18ffbf345730cc7ae7e252ffc

Aliases

arxiv: 2009.03794 · arxiv_version: 2009.03794v1 · doi: 10.48550/arxiv.2009.03794 · pith_short_12: EYC7AM3D2EWP · pith_short_16: EYC7AM3D2EWPP325 · pith_short_8: EYC7AM3D

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/EYC7AM3D2EWPP325JVH5UEPH4T \
  | 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: 2605f03363d12cf7ef5d4d4fda11e7e4e958b1b18ffbf345730cc7ae7e252ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f73e5d7c3b816c69287e3aa13a772e967f4462460f308e90e0fc8838ec6c98d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-09-08T14:46:11Z",
    "title_canon_sha256": "5029aec6d62b2fef1116223ee53592711eab19ece0d58da3fd92aa2b52f813ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.03794",
    "kind": "arxiv",
    "version": 1
  }
}