Pith Number

pith:DJLKCEP2

pith:2016:DJLKCEP2FQG3XM4XIRP4KORXVT

not attested not anchored not stored refs pending

An analysis of the LIGO discovery based on Introductory Physics

Ashton Lowenstein, Harsh Mathur, Katherine Jones-Smith

arxiv:1609.09349 v3 · 2016-09-27 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJLKCEP2FQG3XM4XIRP4KORXVT}

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	2026-05-18T00:27:02.907061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a56a111fa2c0dbbb397445fc53a37acd388e4048c58aebdc45633e2d2b2b4b6

Aliases

arxiv: 1609.09349 · arxiv_version: 1609.09349v3 · doi: 10.48550/arxiv.1609.09349 · pith_short_12: DJLKCEP2FQG3 · pith_short_16: DJLKCEP2FQG3XM4X · pith_short_8: DJLKCEP2

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/DJLKCEP2FQG3XM4XIRP4KORXVT \
  | 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: 1a56a111fa2c0dbbb397445fc53a37acd388e4048c58aebdc45633e2d2b2b4b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f98deebd0e3d61a187eb630ccaa4d80e10cc1d316d43c041f72771191cce7677",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-09-27T01:09:25Z",
    "title_canon_sha256": "5142e56c99149c56a597ee65bd0d04d096d0342c3f7bba41e95a5c3f00dcf022"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.09349",
    "kind": "arxiv",
    "version": 3
  }
}