Pith Number

pith:6XK7FPNU

pith:2019:6XK7FPNUNGRG3RXSQJBQQJ73U2

not attested not anchored not stored refs pending

Different types of torsion and their effect on the dynamics of fields

Amitabha Lahiri, Subhasish Chakrabarty

arxiv:1907.02341 v1 · 2019-07-04 · 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{6XK7FPNUNGRG3RXSQJBQQJ73U2}

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	2026-05-17T23:41:28.915145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5d5f2bdb469a26dc6f282430827fba6a27334b331b355ad51508ba14331eef9

Aliases

arxiv: 1907.02341 · arxiv_version: 1907.02341v1 · doi: 10.48550/arxiv.1907.02341 · pith_short_12: 6XK7FPNUNGRG · pith_short_16: 6XK7FPNUNGRG3RXS · pith_short_8: 6XK7FPNU

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/6XK7FPNUNGRG3RXSQJBQQJ73U2 \
  | 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: f5d5f2bdb469a26dc6f282430827fba6a27334b331b355ad51508ba14331eef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bcc39079f23b714f7dccb5f0dfe71564fbbfdc952ac948e9c0526e266262800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-07-04T11:51:55Z",
    "title_canon_sha256": "c2a33ca150b1ca3a218f20f4192c1bdc31dbc56ec1dba0e9de76e26900715f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02341",
    "kind": "arxiv",
    "version": 1
  }
}