Pith Number

pith:XG77VJY5

pith:2019:XG77VJY5F6DZTB6UVZHBVHKSKK

not attested not anchored not stored refs pending

Separation of time-scales in drift-diffusion equations on $\mathbb{R}^2$

Michele Coti Zelati, Michele Dolce

arxiv:1907.04012 v1 · 2019-07-09 · 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{XG77VJY5F6DZTB6UVZHBVHKSKK}

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	2026-05-17T23:41:05.988777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9bffaa71d2f879987d4ae4e1a9d525280a4e5959f040b7d9f40f77cccdb1f21

Aliases

arxiv: 1907.04012 · arxiv_version: 1907.04012v1 · doi: 10.48550/arxiv.1907.04012 · pith_short_12: XG77VJY5F6DZ · pith_short_16: XG77VJY5F6DZTB6U · pith_short_8: XG77VJY5

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/XG77VJY5F6DZTB6UVZHBVHKSKK \
  | 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: b9bffaa71d2f879987d4ae4e1a9d525280a4e5959f040b7d9f40f77cccdb1f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba57d877c0351c66c1385e2048b69829bc4e6e877d6bd4ff5b9fd2534639d03c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-07-09T06:53:24Z",
    "title_canon_sha256": "4a77237aa1a5ea0b38068f2b14cb7a9edc49c15bb10e61c7218adbb36c8374da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04012",
    "kind": "arxiv",
    "version": 1
  }
}