Pith Number

pith:IHTS2KZI

pith:2015:IHTS2KZIQPL3TVRIHQ6OG7BRAE

not attested not anchored not stored refs pending

Quantum Sheaf Cohomology on surfaces of general type I: construction of stable omalous bundles

Cristian Anghel

arxiv:1509.05031 v1 · 2015-09-16 · math.AG · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHTS2KZIQPL3TVRIHQ6OG7BRAE}

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	2026-05-18T01:32:50.069513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41e72d2b2883d7b9d6283c3ce37c31012ac846050ba74ec3bbdcd32684b1faae

Aliases

arxiv: 1509.05031 · arxiv_version: 1509.05031v1 · doi: 10.48550/arxiv.1509.05031 · pith_short_12: IHTS2KZIQPL3 · pith_short_16: IHTS2KZIQPL3TVRI · pith_short_8: IHTS2KZI

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/IHTS2KZIQPL3TVRIHQ6OG7BRAE \
  | 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: 41e72d2b2883d7b9d6283c3ce37c31012ac846050ba74ec3bbdcd32684b1faae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69589e77f8a109fcd5bcd347df1fabbdd81c90d0eb9359767b5c80ad3401515d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-09-16T20:05:16Z",
    "title_canon_sha256": "6e94985dd6e646a6ff6f0cfc639082d96d272bb6abb06697d48591914bdce60f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05031",
    "kind": "arxiv",
    "version": 1
  }
}