Pith Number

pith:OYCOERQA

pith:2014:OYCOERQAXFBZQBIMAKFASCJEZR

not attested not anchored not stored refs pending

Notes on the weak positivity theorems

Osamu Fujino

arxiv:1406.1834 v5 · 2014-06-07 · 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{OYCOERQAXFBZQBIMAKFASCJEZR}

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	2026-05-18T01:37:28.759420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7604e24600b94398050c028a090924cc51d82641a1b0e5c34d887977d88acd8f

Aliases

arxiv: 1406.1834 · arxiv_version: 1406.1834v5 · doi: 10.48550/arxiv.1406.1834 · pith_short_12: OYCOERQAXFBZ · pith_short_16: OYCOERQAXFBZQBIM · pith_short_8: OYCOERQA

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/OYCOERQAXFBZQBIMAKFASCJEZR \
  | 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: 7604e24600b94398050c028a090924cc51d82641a1b0e5c34d887977d88acd8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f79f882c159731784bbb3cec610a7bf4a8e54c7aacb337c39cbcf99256594cc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-06-07T00:00:44Z",
    "title_canon_sha256": "0bd57f6441b1408941d48a5bfc8619402462f989b9b81a3044119fb3b8741e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1834",
    "kind": "arxiv",
    "version": 5
  }
}