Pith Number

pith:ZGA2SJHV

pith:2014:ZGA2SJHVK76SFF65JPR64L37R3

not attested not anchored not stored refs pending

Instantons and framed sheaves on K\"ahler Deligne-Mumford stacks

Francesco Sala (IHES), Philippe Eyssidieux (IF)

arxiv:1404.3504 v1 · 2014-04-14 · 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{ZGA2SJHVK76SFF65JPR64L37R3}

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	2026-05-18T02:54:15.063917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c981a924f557fd2297dd4be3ee2f7f8edf018e7c844370c45543a04fac168fc0

Aliases

arxiv: 1404.3504 · arxiv_version: 1404.3504v1 · doi: 10.48550/arxiv.1404.3504 · pith_short_12: ZGA2SJHVK76S · pith_short_16: ZGA2SJHVK76SFF65 · pith_short_8: ZGA2SJHV

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/ZGA2SJHVK76SFF65JPR64L37R3 \
  | 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: c981a924f557fd2297dd4be3ee2f7f8edf018e7c844370c45543a04fac168fc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e52eae94ff48fca5584313ee28487397b3a7b7de0045b2a96ff453ca548bc09c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-04-14T09:31:34Z",
    "title_canon_sha256": "9972f5deb872cc414b70709646aa07eaa639ba547ad5fcd4689054af4eb45181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3504",
    "kind": "arxiv",
    "version": 1
  }
}