Pith Number

pith:Q63Q2KCP

pith:2014:Q63Q2KCPBTLAJFDA2RER2DP6AX

not attested not anchored not stored refs pending

The Cauchy problem for a tenth-order thin film equation II. Oscillatory source-type and fundamental similarity solutions

Jonathan D. Evans, Pablo Alvarez-Caudevilla, Victor A. Galaktionov

arxiv:1407.5554 v1 · 2014-07-21 · 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{Q63Q2KCPBTLAJFDA2RER2DP6AX}

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	2026-05-18T02:47:13.775961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87b70d284f0cd6049460d4491d0dfe05cadb92379a550a5e1aa177980c8ed48e

Aliases

arxiv: 1407.5554 · arxiv_version: 1407.5554v1 · doi: 10.48550/arxiv.1407.5554 · pith_short_12: Q63Q2KCPBTLA · pith_short_16: Q63Q2KCPBTLAJFDA · pith_short_8: Q63Q2KCP

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/Q63Q2KCPBTLAJFDA2RER2DP6AX \
  | 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: 87b70d284f0cd6049460d4491d0dfe05cadb92379a550a5e1aa177980c8ed48e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d5a502e15f757da81280fb189f6dd566a1f03ee153e8d648f02f89199b37a34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-07-21T16:33:04Z",
    "title_canon_sha256": "66d67a6685b1390bc3c74f84ff96eb29f6742018a0247050228811aace5bd232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5554",
    "kind": "arxiv",
    "version": 1
  }
}