Pith Number

pith:EP6JW35H

pith:2014:EP6JW35HRNN4WY63OH3FEXPPBL

not attested not anchored not stored refs pending

Algebraic approximation preserving dimension

Elisabetta Fortuna, Leslie Wilson, Massimo Ferrarotti

arxiv:1409.6451 v1 · 2014-09-23 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EP6JW35HRNN4WY63OH3FEXPPBL}

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	2026-05-18T02:42:07.106739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23fc9b6fa78b5bcb63db71f6525def0acc56271179cd7a10a792e4d4d47ac87c

Aliases

arxiv: 1409.6451 · arxiv_version: 1409.6451v1 · doi: 10.48550/arxiv.1409.6451 · pith_short_12: EP6JW35HRNN4 · pith_short_16: EP6JW35HRNN4WY63 · pith_short_8: EP6JW35H

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/EP6JW35HRNN4WY63OH3FEXPPBL \
  | 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: 23fc9b6fa78b5bcb63db71f6525def0acc56271179cd7a10a792e4d4d47ac87c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65e2cdf952c18c9032dbd19fb7db5190f65a6ac8c1dd6e50f4c0faa8429e7d8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-23T09:08:23Z",
    "title_canon_sha256": "64e808ff12dc1978266ee5c9d0252558199d99a99d45d338584acb957357c6e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6451",
    "kind": "arxiv",
    "version": 1
  }
}