Pith Number

pith:DPM4CQHV

pith:2017:DPM4CQHVOE64M2JYQTCANZVFPM

not attested not anchored not stored refs pending

Einstein nilpotent Lie groups

Diego Conti, Federico A. Rossi

arxiv:1707.04454 v3 · 2017-07-14 · 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{DPM4CQHVOE64M2JYQTCANZVFPM}

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	2026-05-18T00:01:00.491039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bd9c140f5713dc6693884c406e6a57b2e53df2e604ae6a6f15813663b3d8411

Aliases

arxiv: 1707.04454 · arxiv_version: 1707.04454v3 · doi: 10.48550/arxiv.1707.04454 · pith_short_12: DPM4CQHVOE64 · pith_short_16: DPM4CQHVOE64M2JY · pith_short_8: DPM4CQHV

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/DPM4CQHVOE64M2JYQTCANZVFPM \
  | 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: 1bd9c140f5713dc6693884c406e6a57b2e53df2e604ae6a6f15813663b3d8411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "961617aa3fabe18e172c6516c68c5a76ab3027350c6f4079bd0236b27c6e6ad6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-07-14T10:48:14Z",
    "title_canon_sha256": "2285660218d4b347da973c225ebb1ea5ca28737c48dff0b87c5bf45254e8b07d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04454",
    "kind": "arxiv",
    "version": 3
  }
}