Pith Number

pith:BTRUETJN

pith:2019:BTRUETJNI43TEG7WMMJ523GKNP

not attested not anchored not stored refs pending

A nonlocal free boundary problem with Wasserstein distance

Aram Karakhanyan

arxiv:1904.06270 v3 · 2019-04-12 · 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{BTRUETJNI43TEG7WMMJ523GKNP}

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	2026-05-17T23:45:44.122141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ce3424d2d4737321bf66313dd6cca6bca61f8378850da531578c5c8e0005719

Aliases

arxiv: 1904.06270 · arxiv_version: 1904.06270v3 · doi: 10.48550/arxiv.1904.06270 · pith_short_12: BTRUETJNI43T · pith_short_16: BTRUETJNI43TEG7W · pith_short_8: BTRUETJN

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/BTRUETJNI43TEG7WMMJ523GKNP \
  | 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: 0ce3424d2d4737321bf66313dd6cca6bca61f8378850da531578c5c8e0005719

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4a5e4b00664b5b91f2f1ef6a60b1f07815e448020d9a1c6f3b8eb0d89a8dac4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-04-12T15:21:11Z",
    "title_canon_sha256": "6972a40e7fda684585e20b43d1d12fe79557df894cc83d2b9acf27e0775d57e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06270",
    "kind": "arxiv",
    "version": 3
  }
}