Pith Number

pith:ULLJJ74D

pith:2013:ULLJJ74DU3VTVXYW7Y73UIUOXS

not attested not anchored not stored refs pending

Experimental constraints on anti-gravity and antimatter, in the context of dark energy

Yuan-Sen Ting

arxiv:1310.6089 v2 · 2013-10-23 · 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{ULLJJ74DU3VTVXYW7Y73UIUOXS}

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	2026-05-18T02:18:41.087021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2d694ff83a6eb3adf16fe3fba228ebcbafda184650e9d5175357051385c5f65

Aliases

arxiv: 1310.6089 · arxiv_version: 1310.6089v2 · doi: 10.48550/arxiv.1310.6089 · pith_short_12: ULLJJ74DU3VT · pith_short_16: ULLJJ74DU3VTVXYW · pith_short_8: ULLJJ74D

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/ULLJJ74DU3VTVXYW7Y73UIUOXS \
  | 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: a2d694ff83a6eb3adf16fe3fba228ebcbafda184650e9d5175357051385c5f65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe8bb3335b11f8fb8e680d9284ea8b3b69d0d6d4cad1b2ef59bcd28eb7f35b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-10-23T01:50:22Z",
    "title_canon_sha256": "546ace3e1cba204a9cdeabea3e5705c679bc039003f235130ff9938d51853053"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6089",
    "kind": "arxiv",
    "version": 2
  }
}