Pith Number

pith:5MO6LKWL

pith:2013:5MO6LKWL4JMIOHSIPLV6NYH7TQ

not attested not anchored not stored refs pending

Homogenization of the Hele-Shaw problem in periodic spatiotemporal media

Norbert Pozar

arxiv:1305.4079 v2 · 2013-05-17 · 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{5MO6LKWL4JMIOHSIPLV6NYH7TQ}

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	2026-05-18T02:32:00.387841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb1de5aacbe258871e487aebe6e0ff9c3dc34516ee1cd79df1cc18dfea5389e3

Aliases

arxiv: 1305.4079 · arxiv_version: 1305.4079v2 · doi: 10.48550/arxiv.1305.4079 · pith_short_12: 5MO6LKWL4JMI · pith_short_16: 5MO6LKWL4JMIOHSI · pith_short_8: 5MO6LKWL

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/5MO6LKWL4JMIOHSIPLV6NYH7TQ \
  | 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: eb1de5aacbe258871e487aebe6e0ff9c3dc34516ee1cd79df1cc18dfea5389e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c90e42e3e7c007585c7aa7bf8c24ea5465b4f0547e1624567c0e7a2495c15a15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-17T13:48:16Z",
    "title_canon_sha256": "12fad5458a4b231344353209f4645bb7d2cad86cc7475d2cb95d751f5c6f30ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4079",
    "kind": "arxiv",
    "version": 2
  }
}