Pith Number

pith:P2T7B3OS

pith:2010:P2T7B3OSAZ2AL5UL54WIRQU76M

not attested not anchored not stored refs pending

Singularity Formation in a Surface Wave Model

Angel Castro, Diego Cordoba, Francisco Gancedo

arxiv:1004.3975 v1 · 2010-04-22 · 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{P2T7B3OSAZ2AL5UL54WIRQU76M}

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	2026-05-18T02:07:54.942619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea7f0edd2067405f68bef2c88c29ff326c9a34a16aa00c9a5b06cdadd8adfda

Aliases

arxiv: 1004.3975 · arxiv_version: 1004.3975v1 · doi: 10.48550/arxiv.1004.3975 · pith_short_12: P2T7B3OSAZ2A · pith_short_16: P2T7B3OSAZ2AL5UL · pith_short_8: P2T7B3OS

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/P2T7B3OSAZ2AL5UL54WIRQU76M \
  | 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: 7ea7f0edd2067405f68bef2c88c29ff326c9a34a16aa00c9a5b06cdadd8adfda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8304bf057c4c82eb1e05145653d8857437227155aa8e0a59afc0219565d6c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2010-04-22T18:29:45Z",
    "title_canon_sha256": "fa47e8c9838cc958e2bbbb4aad408aa989924b85bb1181f74ba52e77a10a849e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3975",
    "kind": "arxiv",
    "version": 1
  }
}