Pith Number

pith:PEMY2WCW

pith:2015:PEMY2WCWPVQHDTTISM4XXWTIN6

not attested not anchored not stored refs pending

E\"otv\"os Experiments with Supermassive Black Holes

Asha Asvathaman, Jeremy S. Heyl, Lam Hui

arxiv:1506.07607 v2 · 2015-06-25 · astro-ph.GA · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEMY2WCWPVQHDTTISM4XXWTIN6}

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	2026-05-18T00:55:04.370358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79198d58567d6071ce6893397bda686f9c26c3b62f0ec47ff7ab0793f4c3eb00

Aliases

arxiv: 1506.07607 · arxiv_version: 1506.07607v2 · doi: 10.48550/arxiv.1506.07607 · pith_short_12: PEMY2WCWPVQH · pith_short_16: PEMY2WCWPVQHDTTI · pith_short_8: PEMY2WCW

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/PEMY2WCWPVQHDTTISM4XXWTIN6 \
  | 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: 79198d58567d6071ce6893397bda686f9c26c3b62f0ec47ff7ab0793f4c3eb00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2257c9292603e143fbecb5a15957640150ce231530e91adaad236d84c6c70cb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-06-25T04:11:32Z",
    "title_canon_sha256": "d89fcc1e7ffd142a64a3b4e4d6fc8ddee5dc1cb4759e81fd6a50857edf1a0cc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07607",
    "kind": "arxiv",
    "version": 2
  }
}