Pith Number

pith:NT62D2KU

pith:2017:NT62D2KUCOSDUIH6ACHXQHWDPB

not attested not anchored not stored refs pending

Cohomological rank functions on abelian varieties

Giuseppe Pareschi, Zhi Jiang

arxiv:1707.05888 v2 · 2017-07-18 · 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{NT62D2KUCOSDUIH6ACHXQHWDPB}

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	2026-05-17T23:58:14.935182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cfda1e95413a43a20fe008f781ec3787e1f6cb5a1928ddbf3262392c229a115

Aliases

arxiv: 1707.05888 · arxiv_version: 1707.05888v2 · doi: 10.48550/arxiv.1707.05888 · pith_short_12: NT62D2KUCOSD · pith_short_16: NT62D2KUCOSDUIH6 · pith_short_8: NT62D2KU

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/NT62D2KUCOSDUIH6ACHXQHWDPB \
  | 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: 6cfda1e95413a43a20fe008f781ec3787e1f6cb5a1928ddbf3262392c229a115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67718ee7f747c5637043c2bc9b079f47cef700c90f273ce28209b54eda7a60a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-18T22:52:34Z",
    "title_canon_sha256": "40c90f533137ffe79d023304011d858637251ee7e143594b8c7ace9c42592bb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05888",
    "kind": "arxiv",
    "version": 2
  }
}