Pith Number

pith:SYT667GL

pith:2018:SYT667GLZTATTPJECLVFE7EOAI

not attested not anchored not stored refs pending

Gravitational wave speed: Implications for models without a mass scale

Henrik Nersisyan, Luca Amendola, Nelson A. Lima

arxiv:1801.06683 v1 · 2018-01-20 · astro-ph.CO · 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{SYT667GLZTATTPJECLVFE7EOAI}

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	2026-05-18T00:25:28.031765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9627ef7ccbccc139bd2412ea527c8e0224de7c1cd34800111ea4ffd3be51392a

Aliases

arxiv: 1801.06683 · arxiv_version: 1801.06683v1 · doi: 10.48550/arxiv.1801.06683 · pith_short_12: SYT667GLZTAT · pith_short_16: SYT667GLZTATTPJE · pith_short_8: SYT667GL

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/SYT667GLZTATTPJECLVFE7EOAI \
  | 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: 9627ef7ccbccc139bd2412ea527c8e0224de7c1cd34800111ea4ffd3be51392a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c446a0609d2acd167ba3ba4c8937be3cd170501f1984d535b656451c990dc019",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-20T14:17:06Z",
    "title_canon_sha256": "6f51d70e7ee951ac82b543f0395d8349063a2ed190569b41f02b29b92d5bd660"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06683",
    "kind": "arxiv",
    "version": 1
  }
}