Pith Number

pith:HP7OWQJJ

pith:2014:HP7OWQJJM3FJPQZX5UVQPA4JWH

not attested not anchored not stored refs pending

An upper bound from helioseismology on the stochastic background of gravitational waves

Daniel M. Siegel, Markus Roth

arxiv:1401.6888 v2 · 2014-01-27 · gr-qc · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HP7OWQJJM3FJPQZX5UVQPA4JWH}

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	2026-05-18T02:55:19.209139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bfeeb412966ca97c337ed2b078389b1dccdcfc9342873e7546afbfeec1f9fbd

Aliases

arxiv: 1401.6888 · arxiv_version: 1401.6888v2 · doi: 10.48550/arxiv.1401.6888 · pith_short_12: HP7OWQJJM3FJ · pith_short_16: HP7OWQJJM3FJPQZX · pith_short_8: HP7OWQJJ

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/HP7OWQJJM3FJPQZX5UVQPA4JWH \
  | 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: 3bfeeb412966ca97c337ed2b078389b1dccdcfc9342873e7546afbfeec1f9fbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4cb7c962951483e33daaf9a413e27bfe958c4bf6a517561d6561267a2e69fd8",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-01-27T15:16:56Z",
    "title_canon_sha256": "466607aec6a85e8b86e0501a5acb08ac52f1665e28c3089ecd17b436607acc48"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6888",
    "kind": "arxiv",
    "version": 2
  }
}