Pith Number

pith:7ODKUUQZ

pith:2018:7ODKUUQZWOYTR5MURS7JNP5SUI

not attested not anchored not stored refs pending

Can a "pure vector" gravitational wave mimic a "pure tensor" one?

Bruce Allen

arxiv:1801.04800 v2 · 2018-01-15 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ODKUUQZWOYTR5MURS7JNP5SUI}

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	2026-05-17T23:50:42.851099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb86aa5219b3b138f5948cbe96bfb2a21369ea461503ad2cef12f8b9282cd6ed

Aliases

arxiv: 1801.04800 · arxiv_version: 1801.04800v2 · doi: 10.48550/arxiv.1801.04800 · pith_short_12: 7ODKUUQZWOYT · pith_short_16: 7ODKUUQZWOYTR5MU · pith_short_8: 7ODKUUQZ

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/7ODKUUQZWOYTR5MURS7JNP5SUI \
  | 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: fb86aa5219b3b138f5948cbe96bfb2a21369ea461503ad2cef12f8b9282cd6ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e869a62ca1a8e42c2557dd805fac8962455c30fc3e6dd82dc6bb6e827661f520",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-01-15T13:47:28Z",
    "title_canon_sha256": "3a507eebf411a00bede011f0e0b5ee7286e45fb0fe0a3ab09c65f26f59aca68a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04800",
    "kind": "arxiv",
    "version": 2
  }
}