Pith Number

pith:IBEVXCZF

pith:2008:IBEVXCZF3YIMFBEEI3K6H5UOZB

not attested not anchored not stored refs pending

A new spectral triple over a space of connections

Jesper M. Grimstrup, Johannes Aastrup, Ryszard Nest

arxiv:0807.3664 v1 · 2008-07-23 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IBEVXCZF3YIMFBEEI3K6H5UOZB}

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	2026-05-18T04:27:45.848290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40495b8b25de10c2848446d5e3f68ec865b357c0a55e3bf68546315d3169eb3a

Aliases

arxiv: 0807.3664 · arxiv_version: 0807.3664v1 · doi: 10.48550/arxiv.0807.3664 · pith_short_12: IBEVXCZF3YIM · pith_short_16: IBEVXCZF3YIMFBEE · pith_short_8: IBEVXCZF

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/IBEVXCZF3YIMFBEEI3K6H5UOZB \
  | 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: 40495b8b25de10c2848446d5e3f68ec865b357c0a55e3bf68546315d3169eb3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50ee9f5c8770a9d3792d43ea23e72cc06c41eac5cc51119782600b91d2ec7cb",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-07-23T13:37:54Z",
    "title_canon_sha256": "e2a516a29d505522e967d92546db5c0e39caf0f0d5acfee976ef3ca5ce12350d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.3664",
    "kind": "arxiv",
    "version": 1
  }
}