Pith Number

pith:S2NEJN6W

pith:2017:S2NEJN6W43VN74ATRDU7IPZSET

not attested not anchored not stored refs pending

Black hole quasinormal modes in the era of LIGO

Cecilia Chirenti

arxiv:1708.04476 v2 · 2017-08-15 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S2NEJN6W43VN74ATRDU7IPZSET}

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	2026-05-18T00:25:07.565824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

969a44b7d6e6eadff01388e9f43f3224c96c038e6d11cbdaf64f4b8a37b7464a

Aliases

arxiv: 1708.04476 · arxiv_version: 1708.04476v2 · doi: 10.48550/arxiv.1708.04476 · pith_short_12: S2NEJN6W43VN · pith_short_16: S2NEJN6W43VN74AT · pith_short_8: S2NEJN6W

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/S2NEJN6W43VN74ATRDU7IPZSET \
  | 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: 969a44b7d6e6eadff01388e9f43f3224c96c038e6d11cbdaf64f4b8a37b7464a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd04395b08599ed97ff244b989fd68cad994023538ea981942c21fa2548469e5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-08-15T12:36:33Z",
    "title_canon_sha256": "247bafe77c5a656351ef49b3dc8d84eabaa5fede1af56d930dbeb5b269041881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.04476",
    "kind": "arxiv",
    "version": 2
  }
}