Pith Number

pith:XO5WIFJZ

pith:2017:XO5WIFJZKUWWIFLADB42TFDIUY

not attested not anchored not stored refs pending

A remark on semipositivity theorems

Taro Fujisawa

arxiv:1710.01008 v2 · 2017-10-03 · 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{XO5WIFJZKUWWIFLADB42TFDIUY}

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	2026-05-18T00:33:29.635087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbbb641539552d6415601879a99468a600d403d45f5b4faf6024661c904fd1c9

Aliases

arxiv: 1710.01008 · arxiv_version: 1710.01008v2 · doi: 10.48550/arxiv.1710.01008 · pith_short_12: XO5WIFJZKUWW · pith_short_16: XO5WIFJZKUWWIFLA · pith_short_8: XO5WIFJZ

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/XO5WIFJZKUWWIFLADB42TFDIUY \
  | 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: bbbb641539552d6415601879a99468a600d403d45f5b4faf6024661c904fd1c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793b946db1eea87277040c0574d6d92dc430f13e5fdb23625e29578fb8835a49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-10-03T06:58:45Z",
    "title_canon_sha256": "bee1d9de17d972852bb9a4ae372589657174d14eb5457f8b352ecd2c6d75204d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01008",
    "kind": "arxiv",
    "version": 2
  }
}