Pith Number

pith:7VRUYXCS

pith:2012:7VRUYXCSFBRGCLY6MNO43FDGFI

not attested not anchored not stored refs pending

Symplectic manifolds and cohomological decomposition

Adriano Tomassini, Daniele Angella

arxiv:1211.2565 v1 · 2012-11-12 · 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{7VRUYXCSFBRGCLY6MNO43FDGFI}

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	2026-05-18T02:39:24.268553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd634c5c522862612f1e635dcd94662a18c61274027d4d140c797a44aedec121

Aliases

arxiv: 1211.2565 · arxiv_version: 1211.2565v1 · doi: 10.48550/arxiv.1211.2565 · pith_short_12: 7VRUYXCSFBRG · pith_short_16: 7VRUYXCSFBRGCLY6 · pith_short_8: 7VRUYXCS

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/7VRUYXCSFBRGCLY6MNO43FDGFI \
  | 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: fd634c5c522862612f1e635dcd94662a18c61274027d4d140c797a44aedec121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a56c2bb3544f27119e89705dfd8587cbfc77129dfa8003eb2aa584cef1abb147",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2012-11-12T11:13:16Z",
    "title_canon_sha256": "11e991b77b598953bd9f993bbab27a306de8ffba087f2527893dfcb50bfc5a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2565",
    "kind": "arxiv",
    "version": 1
  }
}