Pith Number

pith:ZRTSA3G2

pith:2022:ZRTSA3G26T6IK6DIVTUZEZRIZG

not attested not anchored not stored refs pending

Non-relativistic regime and topology: topological term in the Einstein equation

Quentin Vigneron

arxiv:2204.13980 v4 · 2022-04-29 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZRTSA3G26T6IK6DIVTUZEZRIZG}

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.

Cited by

1 paper in Pith

Bianchi cosmologies in a Thurston-based theory of gravity

Receipt and verification

First computed	2026-07-05T07:30:43.544086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc67206cdaf4fc857868ace9926628c99b4d9496141a59600d5bba362c0007b6

Aliases

arxiv: 2204.13980 · arxiv_version: 2204.13980v4 · doi: 10.48550/arxiv.2204.13980 · pith_short_12: ZRTSA3G26T6I · pith_short_16: ZRTSA3G26T6IK6DI · pith_short_8: ZRTSA3G2

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/ZRTSA3G26T6IK6DIVTUZEZRIZG \
  | 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: cc67206cdaf4fc857868ace9926628c99b4d9496141a59600d5bba362c0007b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb4effbd66846ef98ffd85b8d270e549977e783b048e8167c58e23c1a6b4223e",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-04-29T10:09:59Z",
    "title_canon_sha256": "f4f6b7649c23a0b66d576e301898b42f6701aa2b8063f1c426d5d0cb5ffeeb1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13980",
    "kind": "arxiv",
    "version": 4
  }
}