Pith Number

pith:6MFSMXFR

pith:2013:6MFSMXFR22MPABCX3REYL4SL4L

not attested not anchored not stored refs pending

A new geometrical approach to metric-affine gravity

F. F. Faria

arxiv:1307.4293 v1 · 2013-07-16 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6MFSMXFR22MPABCX3REYL4SL4L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:18:19.198080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f30b265cb1d698f00457dc4985f24be2deae91403b4a56227cdd734e62248237

Aliases

arxiv: 1307.4293 · arxiv_version: 1307.4293v1 · doi: 10.48550/arxiv.1307.4293 · pith_short_12: 6MFSMXFR22MP · pith_short_16: 6MFSMXFR22MPABCX · pith_short_8: 6MFSMXFR

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/6MFSMXFR22MPABCX3REYL4SL4L \
  | 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: f30b265cb1d698f00457dc4985f24be2deae91403b4a56227cdd734e62248237

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a3d19febd09b79911c5bc38c7cbd2c8e431d0c6ca94f27a1100ac6e427d40f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-07-16T14:49:14Z",
    "title_canon_sha256": "933f08f465f5a5537bf3a3368176ef5cd7200b88a71a0f60a1902c5209a87e7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4293",
    "kind": "arxiv",
    "version": 1
  }
}