Pith Number

pith:UP4GPLUS

pith:2013:UP4GPLUSJ6T6UI4AKV26FIQDDO

not attested not anchored not stored refs pending

Existence of a solution to a fluid-multi-layered-structure interaction problem

Boris Muha, Suncica Canic

arxiv:1305.5310 v1 · 2013-05-23 · 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{UP4GPLUSJ6T6UI4AKV26FIQDDO}

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	2026-05-18T03:25:05.152730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f867ae924fa7ea23805575e2a2031b80d4ce35fef48752944672eeecb15c5f

Aliases

arxiv: 1305.5310 · arxiv_version: 1305.5310v1 · doi: 10.48550/arxiv.1305.5310 · pith_short_12: UP4GPLUSJ6T6 · pith_short_16: UP4GPLUSJ6T6UI4A · pith_short_8: UP4GPLUS

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/UP4GPLUSJ6T6UI4AKV26FIQDDO \
  | 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: a3f867ae924fa7ea23805575e2a2031b80d4ce35fef48752944672eeecb15c5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b945a59f1ebfba7bcae6d269773ec23a18a217746cae5b00f02780648cb4bb70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-05-23T04:05:35Z",
    "title_canon_sha256": "10ed49e8e232fd600c10b8b8ecf824c505ab352edb68931bc0ad61196f335370"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5310",
    "kind": "arxiv",
    "version": 1
  }
}