Pith Number

pith:S3PFPGUN

pith:2012:S3PFPGUNIBNC4ONR7DPYVD6AWI

not attested not anchored not stored refs pending

Semistability of logarithmic cotangent bundle on some projective manifolds

Jaya N. N. Iyer, Seshadri Chintapalli

arxiv:1208.1387 v1 · 2012-08-07 · 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{S3PFPGUNIBNC4ONR7DPYVD6AWI}

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	2026-05-18T03:49:19.288871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96de579a8d405a2e39b1f8df8a8fc0b226c6f927edd7aa0358b03e71bc9a5f9c

Aliases

arxiv: 1208.1387 · arxiv_version: 1208.1387v1 · doi: 10.48550/arxiv.1208.1387 · pith_short_12: S3PFPGUNIBNC · pith_short_16: S3PFPGUNIBNC4ONR · pith_short_8: S3PFPGUN

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/S3PFPGUNIBNC4ONR7DPYVD6AWI \
  | 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: 96de579a8d405a2e39b1f8df8a8fc0b226c6f927edd7aa0358b03e71bc9a5f9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b89ce5990479ac137ba2e943da9d707bd5a736d05ac2f6d5f8d6e814a547bb2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-08-07T10:19:49Z",
    "title_canon_sha256": "b404602c81b4864ba68cd40d285e1d85a1259fa1438404825d2e862fe70c8c4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1387",
    "kind": "arxiv",
    "version": 1
  }
}