Pith Number

pith:SRLA5GVR

pith:2013:SRLA5GVRXYJN3BQGOSIZEAPEBM

not attested not anchored not stored refs pending

Dirac's discrete hypersurface deformation algebras

Bianca Dittrich, Valentin Bonzom

arxiv:1304.5983 v1 · 2013-04-22 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRLA5GVRXYJN3BQGOSIZEAPEBM}

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	2026-05-18T01:50:23.599368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94560e9ab1be12dd860674919201e40b349514cf633a3e43d72a2ebc25bd85ff

Aliases

arxiv: 1304.5983 · arxiv_version: 1304.5983v1 · doi: 10.48550/arxiv.1304.5983 · pith_short_12: SRLA5GVRXYJN · pith_short_16: SRLA5GVRXYJN3BQG · pith_short_8: SRLA5GVR

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/SRLA5GVRXYJN3BQGOSIZEAPEBM \
  | 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: 94560e9ab1be12dd860674919201e40b349514cf633a3e43d72a2ebc25bd85ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ecfab2641f4c83a67d43c5e92f3ccdf073241bdc5a30397a5c37e6cd4fe92c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-22T15:22:53Z",
    "title_canon_sha256": "72defaedfd432325ffee88425358eb6731d744a38ea312b15b3201c9a10deb72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5983",
    "kind": "arxiv",
    "version": 1
  }
}