Pith Number

pith:7U4MLQ2T

pith:2000:7U4MLQ2TDMR3LB522WNFJJJA6N

not attested not anchored not stored refs pending

A class of colliding waves in metric-affine gravity, nonmetricity and torsion shock waves

Alberto Garcia, Alfredo Macias, Claus Laemmerzahl

arxiv:gr-qc/0006007 v1 · 2000-06-02 · 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{7U4MLQ2TDMR3LB522WNFJJJA6N}

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	2026-05-18T01:39:24.794835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd38c5c3531b23b587bad59a54a520f37fdb12127debfa590ca3665fcfc4c049

Aliases

arxiv: gr-qc/0006007 · arxiv_version: gr-qc/0006007v1 · doi: 10.48550/arxiv.gr-qc/0006007 · pith_short_12: 7U4MLQ2TDMR3 · pith_short_16: 7U4MLQ2TDMR3LB52 · pith_short_8: 7U4MLQ2T

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/7U4MLQ2TDMR3LB522WNFJJJA6N \
  | 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: fd38c5c3531b23b587bad59a54a520f37fdb12127debfa590ca3665fcfc4c049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92d40944abdf52ab050912c62776236bb2bd315d0eaf00df534bae30e70ee7b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2000-06-02T19:06:03Z",
    "title_canon_sha256": "a005c950a513a84ab0975203099add5692b9f8ba10da2779a90611254ddcef4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0006007",
    "kind": "arxiv",
    "version": 1
  }
}