Pith Number

pith:F2ZYSZDI

pith:2011:F2ZYSZDIVXPSAEPODYPRLQQVOW

not attested not anchored not stored refs pending

A proof of the set-theoretic version of the salmon conjecture

Elizabeth Gross, Shmuel Friedland

arxiv:1104.1776 v2 · 2011-04-10 · 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{F2ZYSZDIVXPSAEPODYPRLQQVOW}

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	2026-05-18T04:23:20.939915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eb3896468addf2011ee1e1f15c21575b97cf0a58b6111bd5ab99f8fffacf7b1

Aliases

arxiv: 1104.1776 · arxiv_version: 1104.1776v2 · doi: 10.48550/arxiv.1104.1776 · pith_short_12: F2ZYSZDIVXPS · pith_short_16: F2ZYSZDIVXPSAEPO · pith_short_8: F2ZYSZDI

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/F2ZYSZDIVXPSAEPODYPRLQQVOW \
  | 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: 2eb3896468addf2011ee1e1f15c21575b97cf0a58b6111bd5ab99f8fffacf7b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c87efdd0a34c30a88a8040fa099ede4eeebeb45a7a422cf90566ed449afb46b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-04-10T15:20:56Z",
    "title_canon_sha256": "11787ead1a2af9f641a6bd8365b44e506f0239a4de39dc1e7ecca6093ad09664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1776",
    "kind": "arxiv",
    "version": 2
  }
}