Pith Number

pith:RC4HDB3I

pith:2013:RC4HDB3IW5HASBOV43RFOQTYWF

not attested not anchored not stored refs pending

First Test of High Frequency Gravity Waves from Inflation using ADVANCED LIGO

Alejandro Lopez, Katherine Freese

arxiv:1305.5855 v5 · 2013-05-24 · astro-ph.HE · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RC4HDB3IW5HASBOV43RFOQTYWF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:27:08.279687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b8718768b74e0905d5e6e2574278b16645e4adbdea206352df92c0a33f13ec

Aliases

arxiv: 1305.5855 · arxiv_version: 1305.5855v5 · doi: 10.48550/arxiv.1305.5855 · pith_short_12: RC4HDB3IW5HA · pith_short_16: RC4HDB3IW5HASBOV · pith_short_8: RC4HDB3I

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/RC4HDB3IW5HASBOV43RFOQTYWF \
  | 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: 88b8718768b74e0905d5e6e2574278b16645e4adbdea206352df92c0a33f13ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fc7db35f02830651c68d4d12a84ad1c935b6373a5d958927824d47a3e254aeb",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-24T20:28:26Z",
    "title_canon_sha256": "e992772195d7f34f060a390e120001da93edd71b6f12285ab40dfcb17f7d7775"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5855",
    "kind": "arxiv",
    "version": 5
  }
}