Pith Number

pith:F7SQDIJN

pith:2013:F7SQDIJNGTGX6Y5PYO644NNXNV

not attested not anchored not stored refs pending

Cohomology bounds for sheaves of dimension one

Jinwon Choi, Kiryong Chung

arxiv:1302.3691 v2 · 2013-02-15 · 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{F7SQDIJNGTGX6Y5PYO644NNXNV}

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	2026-05-18T02:00:59.278238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe501a12d34cd7f63afc3bdce35b76d7dee87f123a1a5e75e58fff99be8d4b9

Aliases

arxiv: 1302.3691 · arxiv_version: 1302.3691v2 · doi: 10.48550/arxiv.1302.3691 · pith_short_12: F7SQDIJNGTGX · pith_short_16: F7SQDIJNGTGX6Y5P · pith_short_8: F7SQDIJN

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/F7SQDIJNGTGX6Y5PYO644NNXNV \
  | 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: 2fe501a12d34cd7f63afc3bdce35b76d7dee87f123a1a5e75e58fff99be8d4b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5d4f07359cb0c1ad6b8db86a7c843d0047a4cb4511621a6845c1f740ea82751",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-02-15T07:15:05Z",
    "title_canon_sha256": "54018a9792838a92615b79e28fd24e6d748c97734ea137ce74e29402cb7ce73b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3691",
    "kind": "arxiv",
    "version": 2
  }
}