Pith Number

pith:HCE5R5Q2

pith:2019:HCE5R5Q2ZCZOT2K7RRF2CXIUPK

not attested not anchored not stored refs pending

Existence of Matter as a Proof of the Existence of Gravitational Torsion

Carl F. Diether III, Joy Christian

arxiv:1903.10902 v2 · 2019-03-24 · 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{HCE5R5Q2ZCZOT2K7RRF2CXIUPK}

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	2026-07-05T03:55:59.011060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3889d8f61ac8b2e9e95f8c4ba15d147aa2bd18148d000b49703761ece8465a81

Aliases

arxiv: 1903.10902 · arxiv_version: 1903.10902v2 · doi: 10.48550/arxiv.1903.10902 · pith_short_12: HCE5R5Q2ZCZO · pith_short_16: HCE5R5Q2ZCZOT2K7 · pith_short_8: HCE5R5Q2

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/HCE5R5Q2ZCZOT2K7RRF2CXIUPK \
  | 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: 3889d8f61ac8b2e9e95f8c4ba15d147aa2bd18148d000b49703761ece8465a81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32eb7b85df529122c36f9e375fe5f316f2e389381d08b03a8d907d23e82107be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-24T19:41:35Z",
    "title_canon_sha256": "1f24ecdc2b465ffc9d22d1792ed1d633006a3681144f2e0068feda5a8965a296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10902",
    "kind": "arxiv",
    "version": 2
  }
}