Pith Number

pith:QRFTW762

pith:2010:QRFTW762DRY775U7VUEBAF5KTD

not attested not anchored not stored refs pending

Testing the No-Hair Theorem with Observations in the Electromagnetic Spectrum. III. Quasi-Periodic Variability

Dimitrios Psaltis (Arizona), Tim Johannsen (Arizona)

arxiv:1010.1000 v2 · 2010-10-05 · astro-ph.HE · 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{QRFTW762DRY775U7VUEBAF5KTD}

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	2026-05-18T02:05:10.919725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844b3b7fda1c71fff69fad081017aa98ff3b26e92bcd35458c67365d6badd582

Aliases

arxiv: 1010.1000 · arxiv_version: 1010.1000v2 · doi: 10.48550/arxiv.1010.1000 · pith_short_12: QRFTW762DRY7 · pith_short_16: QRFTW762DRY775U7 · pith_short_8: QRFTW762

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/QRFTW762DRY775U7VUEBAF5KTD \
  | 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: 844b3b7fda1c71fff69fad081017aa98ff3b26e92bcd35458c67365d6badd582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2863ff7343272a17bd31091272d4d497e4e85c1b959eea653ae1273013b15370",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2010-10-05T20:00:02Z",
    "title_canon_sha256": "4b7ec94c52dda2ba3f0ab1266438bf10644d0acb8d55a72503d878832acad82b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1000",
    "kind": "arxiv",
    "version": 2
  }
}