Pith Number

pith:JHUFEM3I

pith:2019:JHUFEM3IYMLKMVIIPZFUOWJOM2

not attested not anchored not stored refs pending

BMO on shapes and sharp constants

Galia Dafni, Ryan Gibara

arxiv:1905.00144 v1 · 2019-05-01 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHUFEM3IYMLKMVIIPZFUOWJOM2}

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	2026-05-17T23:47:13.594368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e8523368c316a655087e4b47592e668e64db2bdc994efc0911fc9786efacbd

Aliases

arxiv: 1905.00144 · arxiv_version: 1905.00144v1 · doi: 10.48550/arxiv.1905.00144 · pith_short_12: JHUFEM3IYMLK · pith_short_16: JHUFEM3IYMLKMVII · pith_short_8: JHUFEM3I

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/JHUFEM3IYMLKMVIIPZFUOWJOM2 \
  | 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: 49e8523368c316a655087e4b47592e668e64db2bdc994efc0911fc9786efacbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63af8b60e36d45e6b171be19ac1aadc220ceb1872dc370cfbd7424735a36e8f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2019-05-01T00:47:23Z",
    "title_canon_sha256": "e2128a2e7c9c3576ded5946ac8c39c4a7aa7cd441194549407fe171a72d38102"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00144",
    "kind": "arxiv",
    "version": 1
  }
}