Pith Number

pith:2E4J7W3L

pith:2019:2E4J7W3LTC5JX7T5NI4HHM7LDG

not attested not anchored not stored refs pending

En busca de los efectos gravitacionales de Birkhoff: la ultracentr{\i}fuga transelastica

C. Cabrera, Jorge L. Cervantes-Cota, S. Galindo

arxiv:1908.04343 v1 · 2019-08-12 · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2E4J7W3LTC5JX7T5NI4HHM7LDG}

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	2026-07-04T23:54:29.812371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1389fdb6b98ba9bfe7d6a3873b3eb19ad4a13623681e642754625f6f0f3b48a

Aliases

arxiv: 1908.04343 · arxiv_version: 1908.04343v1 · doi: 10.48550/arxiv.1908.04343 · pith_short_12: 2E4J7W3LTC5J · pith_short_16: 2E4J7W3LTC5JX7T5 · pith_short_8: 2E4J7W3L

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/2E4J7W3LTC5JX7T5NI4HHM7LDG \
  | 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: d1389fdb6b98ba9bfe7d6a3873b3eb19ad4a13623681e642754625f6f0f3b48a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f74d80d886bf3605e89c884ef4d59865d481e5f16aba501fe0ba79648350126d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-08-12T19:23:52Z",
    "title_canon_sha256": "ca6dc53fe13f8ae7cf5739a37d3e6e620e7155c4beb68c04652740857b1e91f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04343",
    "kind": "arxiv",
    "version": 1
  }
}