Pith Number

pith:SBXX2WSY

pith:2016:SBXX2WSYRYVBBOFDUNPGVTTY6U

not attested not anchored not stored refs pending

On the Chow ring of certain rational cohomology tori

Qizheng Yin, Zhi Jiang

arxiv:1603.01426 v1 · 2016-03-04 · 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{SBXX2WSYRYVBBOFDUNPGVTTY6U}

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	2026-05-18T01:19:36.047434Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

906f7d5a588e2a10b8a3a35e6ace78f50512d38d282f0bbbbb8a518fce9b283a

Aliases

arxiv: 1603.01426 · arxiv_version: 1603.01426v1 · doi: 10.48550/arxiv.1603.01426 · pith_short_12: SBXX2WSYRYVB · pith_short_16: SBXX2WSYRYVBBOFD · pith_short_8: SBXX2WSY

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/SBXX2WSYRYVBBOFDUNPGVTTY6U \
  | 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: 906f7d5a588e2a10b8a3a35e6ace78f50512d38d282f0bbbbb8a518fce9b283a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1a1acd95e0ede40167b04d506cee1be4ec8a8568c6bedbf936413d523439654",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-03-04T11:32:16Z",
    "title_canon_sha256": "3bf8e30c6a6a3321b6ef98ea586aef7be2ca117fc6035c9b688a02bdfe3cb4e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01426",
    "kind": "arxiv",
    "version": 1
  }
}