Pith Number

pith:R63E6GCG

pith:2015:R63E6GCG3JD5NTJFZ3LELUYJVM

not attested not anchored not stored refs pending

Tangled up in Spinning Cosmic Strings

Reinoud Jan Slagter

arxiv:1511.08652 v1 · 2015-11-27 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R63E6GCG3JD5NTJFZ3LELUYJVM}

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	2026-05-18T01:25:48.394603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb64f1846da47d6cd25ced645d309ab0d1753c5886bca45f4e5f81d91f0eb18

Aliases

arxiv: 1511.08652 · arxiv_version: 1511.08652v1 · doi: 10.48550/arxiv.1511.08652 · pith_short_12: R63E6GCG3JD5 · pith_short_16: R63E6GCG3JD5NTJF · pith_short_8: R63E6GCG

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/R63E6GCG3JD5NTJFZ3LELUYJVM \
  | 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: 8fb64f1846da47d6cd25ced645d309ab0d1753c5886bca45f4e5f81d91f0eb18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "031bea03bced25d1163124a19c45fb734c45f0e12c25cdae05feb2c4b950bf4d",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-11-27T13:00:24Z",
    "title_canon_sha256": "53d45a4f6df5218f33d135a0d9299bb1445bee7931e4c80ae21aebedc5722dd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08652",
    "kind": "arxiv",
    "version": 1
  }
}