Pith Number

pith:3ZRS5QWF

pith:2014:3ZRS5QWFXUEJVQCCIDKWTADTWY

not attested not anchored not stored refs pending

Spectral/hp element methods for plane Newtonian extrudate swell

Christopher Cantwell, Susanne Claus, Tim Phillips

arxiv:1408.5167 v1 · 2014-08-21 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3ZRS5QWFXUEJVQCCIDKWTADTWY}

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	2026-05-18T02:44:39.317908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de632ec2c5bd089ac04240d5698073b600ce3a017fe87a5d56b3a9cc93386682

Aliases

arxiv: 1408.5167 · arxiv_version: 1408.5167v1 · doi: 10.48550/arxiv.1408.5167 · pith_short_12: 3ZRS5QWFXUEJ · pith_short_16: 3ZRS5QWFXUEJVQCC · pith_short_8: 3ZRS5QWF

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/3ZRS5QWFXUEJVQCCIDKWTADTWY \
  | 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: de632ec2c5bd089ac04240d5698073b600ce3a017fe87a5d56b3a9cc93386682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73a6f2e7ee70ea419305cf9ab9772a13068f93a0b29d1528b6eadbbe3318bb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-21T22:18:23Z",
    "title_canon_sha256": "c2e4a879e18b493506ac94b77f3dd5af53853b9de1a58e104a10d6c33fc3850b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5167",
    "kind": "arxiv",
    "version": 1
  }
}