Pith Number

pith:37TSDTR2

pith:2021:37TSDTR2QLFHUPHKF4LBTPUFDB

not attested not anchored not stored refs pending

Reflexive hull discriminants and applications

James J. Zhang, Jason Gaddis, Kenneth Chan, Robert Won

arxiv:2104.11062 v2 · 2021-04-22 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37TSDTR2QLFHUPHKF4LBTPUFDB}

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	2026-07-05T03:56:46.563751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe721ce3a82ca7a3cea2f1619be85184ca92a9dab761240d82b0a482e29155c

Aliases

arxiv: 2104.11062 · arxiv_version: 2104.11062v2 · doi: 10.48550/arxiv.2104.11062 · pith_short_12: 37TSDTR2QLFH · pith_short_16: 37TSDTR2QLFHUPHK · pith_short_8: 37TSDTR2

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/37TSDTR2QLFHUPHKF4LBTPUFDB \
  | 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: dfe721ce3a82ca7a3cea2f1619be85184ca92a9dab761240d82b0a482e29155c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c15f17493e914115d00cae84e2f83de6185b9542f5a6b90472022c1faca8efb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2021-04-22T13:44:54Z",
    "title_canon_sha256": "673a5760223dce22d063bd5a9a62e40d9d49b52b34fe6947586d03567af61ba0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11062",
    "kind": "arxiv",
    "version": 2
  }
}