Pith Number

pith:VUU7FI4N

pith:2008:VUU7FI4NMPF27EJOPPRMYI3MGX

not attested not anchored not stored refs pending

2-Cocycles of Original Deformative Schr\"{o}dinger-Virasoro Algebras

Junbo Li, Yucai Su

arxiv:0801.3873 v1 · 2008-01-25 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUU7FI4NMPF27EJOPPRMYI3MGX}

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	2026-05-18T02:16:01.575296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad29f2a38d63cbaf912e7be2cc236c35f41c10568f1e623a21e92f78e305829c

Aliases

arxiv: 0801.3873 · arxiv_version: 0801.3873v1 · doi: 10.48550/arxiv.0801.3873 · pith_short_12: VUU7FI4NMPF2 · pith_short_16: VUU7FI4NMPF27EJO · pith_short_8: VUU7FI4N

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/VUU7FI4NMPF27EJOPPRMYI3MGX \
  | 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: ad29f2a38d63cbaf912e7be2cc236c35f41c10568f1e623a21e92f78e305829c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "385116cffe88c0c53bca43b3ced056f224c3a7c2bbb8fca13f46b30c35a77536",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.RA",
    "submitted_at": "2008-01-25T03:43:44Z",
    "title_canon_sha256": "b592bdb4fa3ae21dadc802bbdc30c702981ac01f7c0c3613131105bdedc3eec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3873",
    "kind": "arxiv",
    "version": 1
  }
}