Pith Number

pith:UFQSZCTC

pith:2010:UFQSZCTCXIJAPIKR4XH7SLBHMG

not attested not anchored not stored refs pending

Cosmological Constraints on the Sign-Changeable Interactions

Hao Wei

arxiv:1010.1074 v2 · 2010-10-06 · gr-qc · astro-ph.CO · 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{UFQSZCTCXIJAPIKR4XH7SLBHMG}

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	2026-05-18T04:08:03.879953Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1612c8a62ba1207a151e5cff92c27618448b2161cf55456b7a24575718f4089

Aliases

arxiv: 1010.1074 · arxiv_version: 1010.1074v2 · doi: 10.48550/arxiv.1010.1074 · pith_short_12: UFQSZCTCXIJA · pith_short_16: UFQSZCTCXIJAPIKR · pith_short_8: UFQSZCTC

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/UFQSZCTCXIJAPIKR4XH7SLBHMG \
  | 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: a1612c8a62ba1207a151e5cff92c27618448b2161cf55456b7a24575718f4089

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31604f31e2644d9e74e04893cc66a91e66a471e64cb2f6707295b09a5438910",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-10-06T07:00:00Z",
    "title_canon_sha256": "714d1264a87bdd77e685483841ec3ef77c6714869946849f35195a94c997ad97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1074",
    "kind": "arxiv",
    "version": 2
  }
}