Pith Number

pith:ZDFL5UCS

pith:2012:ZDFL5UCS7ARLNJ42PT6YERWGIT

not attested not anchored not stored refs pending

Poisson Algebras of Admissible Functions Associated to Twisted Dirac Structures

Alexander Cardona

arxiv:1207.7123 v1 · 2012-07-30 · 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{ZDFL5UCS7ARLNJ42PT6YERWGIT}

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	2026-05-18T03:49:46.694587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8cabed052f822b6a79a7cfd8246c644e16b7c4f448e6bc36c3980197a65060e

Aliases

arxiv: 1207.7123 · arxiv_version: 1207.7123v1 · doi: 10.48550/arxiv.1207.7123 · pith_short_12: ZDFL5UCS7ARL · pith_short_16: ZDFL5UCS7ARLNJ42 · pith_short_8: ZDFL5UCS

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/ZDFL5UCS7ARLNJ42PT6YERWGIT \
  | 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: c8cabed052f822b6a79a7cfd8246c644e16b7c4f448e6bc36c3980197a65060e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60487ff48db2c96f85058f4afa022ba7664cf0e08332aa80051d8c6ef6a4be03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2012-07-30T22:39:24Z",
    "title_canon_sha256": "380c93a4277727b2a504a51eae151a44cd10ad0d4b5dd832239a43614606ab95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7123",
    "kind": "arxiv",
    "version": 1
  }
}