Pith Number

pith:3FQEASNF

pith:2019:3FQEASNFTB76EQFQD36LIJTUPI

not attested not anchored not stored refs pending

A note on $r$ hypersurfaces intersecting in $\mathbb{P}^r$

Dennis Tseng

arxiv:1908.01620 v1 · 2019-08-05 · 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{3FQEASNFTB76EQFQD36LIJTUPI}

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	2026-07-04T23:51:32.292800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9604049a5987fe240b01efcb426747a00cc5d35b9e7c6b132757ab1350e6d0d

Aliases

arxiv: 1908.01620 · arxiv_version: 1908.01620v1 · doi: 10.48550/arxiv.1908.01620 · pith_short_12: 3FQEASNFTB76 · pith_short_16: 3FQEASNFTB76EQFQ · pith_short_8: 3FQEASNF

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/3FQEASNFTB76EQFQD36LIJTUPI \
  | 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: d9604049a5987fe240b01efcb426747a00cc5d35b9e7c6b132757ab1350e6d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23f277f67ab58e20eb1bcf55b66b07eab82f9e1983217459e936d3c836c903f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-05T13:48:06Z",
    "title_canon_sha256": "551af997d345fd819581e024383467428d20a67e835ad83c06b63f5caba27203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01620",
    "kind": "arxiv",
    "version": 1
  }
}