Pith Number

pith:JHI4QEUQ

pith:2018:JHI4QEUQL66SDSBYNDKQKWV3VB

not attested not anchored not stored refs pending

On the two-state problem for general differential operators

Filip Rindler, Guido De Philippis, Luca Palmieri

arxiv:1803.09302 v1 · 2018-03-25 · 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{JHI4QEUQL66SDSBYNDKQKWV3VB}

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	2026-05-18T00:20:12.058991Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49d1c812905fbd21c83868d5055abba85e120b5c433ee088992b492293231caa

Aliases

arxiv: 1803.09302 · arxiv_version: 1803.09302v1 · doi: 10.48550/arxiv.1803.09302 · pith_short_12: JHI4QEUQL66S · pith_short_16: JHI4QEUQL66SDSBY · pith_short_8: JHI4QEUQ

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/JHI4QEUQL66SDSBYNDKQKWV3VB \
  | 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: 49d1c812905fbd21c83868d5055abba85e120b5c433ee088992b492293231caa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5460fc093d8fdedf7b1483b66bb8d463f5c5b137acf60a1505d187f5bd83b914",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-03-25T18:17:51Z",
    "title_canon_sha256": "9120e86c289431c359caeb886d897439c186ea1070090e930d0651110f381d0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09302",
    "kind": "arxiv",
    "version": 1
  }
}