Pith Number

pith:KEPL5JMC

pith:2020:KEPL5JMCKC6GYUG7UQOSDPIXXL

not attested not anchored not stored refs pending

On the Continuity of the Feasible Set Mapping in Optimal Transport

David Saunders, Mario Ghossoub

arxiv:2009.12838 v1 · 2020-09-27 · q-fin.RM · econ.TH · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KEPL5JMCKC6GYUG7UQOSDPIXXL}

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	2026-07-05T01:38:24.032847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

511ebea58250bc6c50dfa41d21bd17bac0b209e246c800fcc07cbf8fe783a184

Aliases

arxiv: 2009.12838 · arxiv_version: 2009.12838v1 · doi: 10.48550/arxiv.2009.12838 · pith_short_12: KEPL5JMCKC6G · pith_short_16: KEPL5JMCKC6GYUG7 · pith_short_8: KEPL5JMC

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/KEPL5JMCKC6GYUG7UQOSDPIXXL \
  | 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: 511ebea58250bc6c50dfa41d21bd17bac0b209e246c800fcc07cbf8fe783a184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec2f2283acd9a5d27d86a9c3e5de53dc515188e79326124f078acc45b5ca5440",
    "cross_cats_sorted": [
      "econ.TH",
      "q-fin.MF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.RM",
    "submitted_at": "2020-09-27T13:17:26Z",
    "title_canon_sha256": "7ddbff80f45ef39a9b1024490c958b61b22bed2929faee8b0d5e8b1a752325e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.12838",
    "kind": "arxiv",
    "version": 1
  }
}