Pith Number

pith:VK7KTGWL

pith:2017:VK7KTGWLMW2UUDJESNG2JBP4QG

not attested not anchored not stored refs pending

Spinning particles in general relativity: Momentum-velocity relation for the Mathisson-Pirani spin condition

Georgios Lukes-Gerakopoulos, L. Filipe O. Costa, Old\v{r}ich Semer\'ak

arxiv:1712.07281 v2 · 2017-12-20 · 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{VK7KTGWLMW2UUDJESNG2JBP4QG}

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	2026-05-18T00:14:34.165622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aabea99acb65b54a0d24934da485fc8180c4f1e8acdafcd1fbbc1467f3261f4f

Aliases

arxiv: 1712.07281 · arxiv_version: 1712.07281v2 · doi: 10.48550/arxiv.1712.07281 · pith_short_12: VK7KTGWLMW2U · pith_short_16: VK7KTGWLMW2UUDJE · pith_short_8: VK7KTGWL

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/VK7KTGWLMW2UUDJESNG2JBP4QG \
  | 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: aabea99acb65b54a0d24934da485fc8180c4f1e8acdafcd1fbbc1467f3261f4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f44d69f8d7e17db6f5a4c47f2a1755c839fd579e60ca08aff5f9d98ec6557a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-20T00:57:20Z",
    "title_canon_sha256": "80a7251d4867673fed6fd34c6b7952397a1e6fddcaac41aa1378184788b2735f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07281",
    "kind": "arxiv",
    "version": 2
  }
}