Pith Number

pith:VNLZB56A

pith:2017:VNLZB56AFSOYJH6TCNBQLXJLZR

not attested not anchored not stored refs pending

The Chern-Mather class of the multiview variety

Corey Harris, Daniel Lowengrub

arxiv:1701.07079 v1 · 2017-01-24 · 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{VNLZB56AFSOYJH6TCNBQLXJLZR}

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	2026-05-18T00:52:07.566739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab5790f7c02c9d849fd3134305dd2bcc572658727186fc272d43824d325c7792

Aliases

arxiv: 1701.07079 · arxiv_version: 1701.07079v1 · doi: 10.48550/arxiv.1701.07079 · pith_short_12: VNLZB56AFSOY · pith_short_16: VNLZB56AFSOYJH6T · pith_short_8: VNLZB56A

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/VNLZB56AFSOYJH6TCNBQLXJLZR \
  | 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: ab5790f7c02c9d849fd3134305dd2bcc572658727186fc272d43824d325c7792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beacbe8837a6922547f2f32b0817e37715098aba9684329a4bf8efaaaa5b75bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-01-24T20:50:40Z",
    "title_canon_sha256": "ad7d5e5179e71f987d5a684b10d5c07722e182a5b719172acd3fd3ae3bcea195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07079",
    "kind": "arxiv",
    "version": 1
  }
}