Pith Number

pith:5UHBEE2K

pith:2013:5UHBEE2KIMBR25WPK3JWSXRNCC

not attested not anchored not stored refs pending

Dark Energy and Dark Matter in a Superfluid Universe

Kerson Huang

arxiv:1309.5707 v1 · 2013-09-23 · 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{5UHBEE2KIMBR25WPK3JWSXRNCC}

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	2026-05-18T03:07:03.579214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed0e12134a43031d76cf56d3695e2d1082a01cc422cb12968be7738c958e2331

Aliases

arxiv: 1309.5707 · arxiv_version: 1309.5707v1 · doi: 10.48550/arxiv.1309.5707 · pith_short_12: 5UHBEE2KIMBR · pith_short_16: 5UHBEE2KIMBR25WP · pith_short_8: 5UHBEE2K

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/5UHBEE2KIMBR25WPK3JWSXRNCC \
  | 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: ed0e12134a43031d76cf56d3695e2d1082a01cc422cb12968be7738c958e2331

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51e92b773b2bd91e85eb4a5cf7fec8cd6ac7d6efd6359530f0000b056360b5e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-23T06:51:36Z",
    "title_canon_sha256": "e79444298cd791ec2bfe99f8c45be91be3ffcb4e842033238acd90d546338296"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5707",
    "kind": "arxiv",
    "version": 1
  }
}