Pith Number

pith:6JUY74MW

pith:2010:6JUY74MWAFNKUIZ3H3Z56J7NIH

not attested not anchored not stored refs pending

Cracking the Taub-NUT

Anthony N. Lasenby, Michael P. Hobson, Pierre-Philippe Dechant

arxiv:1007.1662 v1 · 2010-07-09 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6JUY74MWAFNKUIZ3H3Z56J7NIH}

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	2026-05-18T02:33:09.417220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2698ff196015aaa233b3ef3df27ed41c98c19b55ab808d32c0cd5fc50d4ab50

Aliases

arxiv: 1007.1662 · arxiv_version: 1007.1662v1 · doi: 10.48550/arxiv.1007.1662 · pith_short_12: 6JUY74MWAFNK · pith_short_16: 6JUY74MWAFNKUIZ3 · pith_short_8: 6JUY74MW

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/6JUY74MWAFNKUIZ3H3Z56J7NIH \
  | 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: f2698ff196015aaa233b3ef3df27ed41c98c19b55ab808d32c0cd5fc50d4ab50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac079ead3f34bb5d83766890bffaddf5cd45fd51388c9a4fec1786db72a5610",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-07-09T20:04:55Z",
    "title_canon_sha256": "6b4e32ffd679bcf818bea99827f45fb685759ba91dab43b943c57a3f6e0d1513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.1662",
    "kind": "arxiv",
    "version": 1
  }
}