Pith Number

pith:NJ5KVKRJ

pith:2014:NJ5KVKRJPWG6LRCFGJCLSY2SLS

not attested not anchored not stored refs pending

Comparison of spacetime defects which are homeomorphic but not diffeomorphic

F.R. Klinkhamer, F. Sorba

arxiv:1404.2901 v5 · 2014-04-10 · hep-th · 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{NJ5KVKRJPWG6LRCFGJCLSY2SLS}

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.

Cited by

1 paper in Pith

Big Bang revisited

Receipt and verification

First computed	2026-05-18T01:43:35.592435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a7aaaaa297d8de5c4453244b963525cb81eadd998a0fc085bf4e211688458bc

Aliases

arxiv: 1404.2901 · arxiv_version: 1404.2901v5 · doi: 10.48550/arxiv.1404.2901 · pith_short_12: NJ5KVKRJPWG6 · pith_short_16: NJ5KVKRJPWG6LRCF · pith_short_8: NJ5KVKRJ

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/NJ5KVKRJPWG6LRCFGJCLSY2SLS \
  | 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: 6a7aaaaa297d8de5c4453244b963525cb81eadd998a0fc085bf4e211688458bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49775edf074fb133cddf69ba0e3f482b57f120b3349f31539a14480331353dcf",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2014-04-10T18:50:54Z",
    "title_canon_sha256": "4af9caf8513653c9d6791f16123d14a106ed5d498d6bba3fb63c713ebf4321d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2901",
    "kind": "arxiv",
    "version": 5
  }
}