Pith Number

pith:32FWTZZM

pith:2013:32FWTZZMXPMMUSNRLGQNRSDWRD

not attested not anchored not stored refs pending

Freeman Dyson and Gravitational Spin Precession

N.D. Hari Dass

arxiv:1312.4738 v1 · 2013-12-17 · 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{32FWTZZMXPMMUSNRLGQNRSDWRD}

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	2026-05-18T03:04:23.237767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de8b69e72cbbd8ca49b159a0d8c87688ef40a2539b2274066d84c6ae6e7dcb65

Aliases

arxiv: 1312.4738 · arxiv_version: 1312.4738v1 · doi: 10.48550/arxiv.1312.4738 · pith_short_12: 32FWTZZMXPMM · pith_short_16: 32FWTZZMXPMMUSNR · pith_short_8: 32FWTZZM

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/32FWTZZMXPMMUSNRLGQNRSDWRD \
  | 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: de8b69e72cbbd8ca49b159a0d8c87688ef40a2539b2274066d84c6ae6e7dcb65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b38284d8a1f997260380e9b219b912446a82bc291cab7637e403976dd98a4c05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-12-17T12:09:06Z",
    "title_canon_sha256": "1ba74dd04921d00bb9e1c0126be05cd777837454d30b29b498224d59d4759112"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4738",
    "kind": "arxiv",
    "version": 1
  }
}