Pith Number

pith:BD4PSKUC

pith:2010:BD4PSKUCFFWDS3TB3VGYKWTA4F

not attested not anchored not stored refs pending

The thin film equation with backwards second order diffusion

Amy Novick-Cohen, Andrey Shishkov

arxiv:1010.0536 v1 · 2010-10-04 · 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{BD4PSKUCFFWDS3TB3VGYKWTA4F}

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	2026-05-18T04:39:51.854586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08f8f92a82296c396e61dd4d855a60e16dc264c78609181ecedcfd0449521d9d

Aliases

arxiv: 1010.0536 · arxiv_version: 1010.0536v1 · doi: 10.48550/arxiv.1010.0536 · pith_short_12: BD4PSKUCFFWD · pith_short_16: BD4PSKUCFFWDS3TB · pith_short_8: BD4PSKUC

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/BD4PSKUCFFWDS3TB3VGYKWTA4F \
  | 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: 08f8f92a82296c396e61dd4d855a60e16dc264c78609181ecedcfd0449521d9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5a7e4f4d6591c3bb7099c81dba93b8e099841dd9deed0e4d0c1cb4bf58277b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-10-04T10:52:11Z",
    "title_canon_sha256": "d23b0a1861356c7f21a641c8f4137ed0fe04fd4e6151ee06e0d594b07216cde3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0536",
    "kind": "arxiv",
    "version": 1
  }
}