Pith Number

pith:4L35QAMY

pith:2016:4L35QAMY32VFUI2FVBHSH4OODY

not attested not anchored not stored refs pending

Separate Universes beyond General Relativity

Austin Joyce, Wayne Hu

arxiv:1612.02454 v2 · 2016-12-07 · 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{4L35QAMY32VFUI2FVBHSH4OODY}

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	2026-05-18T00:49:50.929523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f7d80198deaa5a2345a84f23f1ce1e31f6b20190d0dfbf0008469586a02d50

Aliases

arxiv: 1612.02454 · arxiv_version: 1612.02454v2 · doi: 10.48550/arxiv.1612.02454 · pith_short_12: 4L35QAMY32VF · pith_short_16: 4L35QAMY32VFUI2F · pith_short_8: 4L35QAMY

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/4L35QAMY32VFUI2FVBHSH4OODY \
  | 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: e2f7d80198deaa5a2345a84f23f1ce1e31f6b20190d0dfbf0008469586a02d50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35225800952f2ca3d4edec1a5687c9d76d086cd03abb8c808657d671be666f18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-07T21:17:50Z",
    "title_canon_sha256": "9c25862d4585faee19d26350b9225490f01721a64dff48a642868f334bd4a171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02454",
    "kind": "arxiv",
    "version": 2
  }
}