Pith Number

pith:GCVFIZYW

pith:2012:GCVFIZYWZTKYEFGAXZTMQ26WMC

not attested not anchored not stored refs pending

Some remarks on cosymplectic 3-structures

Antonio De Nicola, Beniamino Cappelletti Montano, Ivan Yudin

arxiv:1209.1490 v1 · 2012-09-07 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GCVFIZYWZTKYEFGAXZTMQ26WMC}

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	2026-05-18T03:46:04.651452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30aa546716ccd58214c0be66c86bd66088d3fb87de95f2a30f041d8e8923e2f1

Aliases

arxiv: 1209.1490 · arxiv_version: 1209.1490v1 · doi: 10.48550/arxiv.1209.1490 · pith_short_12: GCVFIZYWZTKY · pith_short_16: GCVFIZYWZTKYEFGA · pith_short_8: GCVFIZYW

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/GCVFIZYWZTKYEFGAXZTMQ26WMC \
  | 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: 30aa546716ccd58214c0be66c86bd66088d3fb87de95f2a30f041d8e8923e2f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6a41d078c65ba80c9b2c0edd46efda8da80d521960e2b00f2a61e9367508be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-09-07T10:56:30Z",
    "title_canon_sha256": "f0d1ff94b3426603634a4395f7417de604aa436b0d640989a8acd765d805c1c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1490",
    "kind": "arxiv",
    "version": 1
  }
}