Pith Number

pith:SBSY62SL

pith:2016:SBSY62SL332ZIBU547WYU4ZJ3W

not attested not anchored not stored refs pending

On the cohomology of almost complex and symplectic manifolds and proper surjective maps

Adriano Tomassini, Nicoletta Tardini

arxiv:1601.08146 v1 · 2016-01-29 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SBSY62SL332ZIBU547WYU4ZJ3W}

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	2026-05-17T23:55:39.122011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90658f6a4bdef594069de7ed8a7329ddad5616b38cf684c763924e6cc689bdf3

Aliases

arxiv: 1601.08146 · arxiv_version: 1601.08146v1 · doi: 10.48550/arxiv.1601.08146 · pith_short_12: SBSY62SL332Z · pith_short_16: SBSY62SL332ZIBU5 · pith_short_8: SBSY62SL

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/SBSY62SL332ZIBU547WYU4ZJ3W \
  | 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: 90658f6a4bdef594069de7ed8a7329ddad5616b38cf684c763924e6cc689bdf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ee7f24617f1c6c490c6a0246d7b7a1f11e694fae3b5ef5d108c663b3f26b4bc",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-01-29T15:01:34Z",
    "title_canon_sha256": "e85876703a7c192833a538c10c9d0c9dde930a753907db8c291b3b852b3ce54d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.08146",
    "kind": "arxiv",
    "version": 1
  }
}