Pith Number

pith:X6W3SDLU

pith:2015:X6W3SDLUIUDYULYTXY4DJLSCH6

not attested not anchored not stored refs pending

The Raychaudhuri equation for spinning test particles

Morteza Mohseni

arxiv:1502.07833 v1 · 2015-02-27 · gr-qc · 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{X6W3SDLUIUDYULYTXY4DJLSCH6}

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	2026-05-18T02:26:02.058089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfadb90d7445078a2f13be3834ae423f93d679749b8426386f7254e4e0f3d068

Aliases

arxiv: 1502.07833 · arxiv_version: 1502.07833v1 · doi: 10.48550/arxiv.1502.07833 · pith_short_12: X6W3SDLUIUDY · pith_short_16: X6W3SDLUIUDYULYT · pith_short_8: X6W3SDLU

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/X6W3SDLUIUDYULYTXY4DJLSCH6 \
  | 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: bfadb90d7445078a2f13be3834ae423f93d679749b8426386f7254e4e0f3d068

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16b88c73cc33a5bf7545f1303851aaa6ec8453defec186dbb262c9fd9b336f2d",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-02-27T09:08:45Z",
    "title_canon_sha256": "522f9d94bf90182fdd3bb6868fd1ec4516b4225b8845e2c4169df6e91b5734a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07833",
    "kind": "arxiv",
    "version": 1
  }
}