Pith Number

pith:XSZTU3X5

pith:2016:XSZTU3X5ATU2KFU4X6UUAX2VBF

not attested not anchored not stored refs pending

Probing the Expansion history of the Universe by Model-Independent Reconstruction from Supernovae and Gamma-Ray Bursts Measurements

Chao-Jun Feng, Xin-zhou Li

arxiv:1604.01930 v1 · 2016-04-07 · 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{XSZTU3X5ATU2KFU4X6UUAX2VBF}

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	2026-05-18T01:17:31.686239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcb33a6efd04e9a5169cbfa9405f55097430bd943cf4129df4681c5cc790cf2a

Aliases

arxiv: 1604.01930 · arxiv_version: 1604.01930v1 · doi: 10.48550/arxiv.1604.01930 · pith_short_12: XSZTU3X5ATU2 · pith_short_16: XSZTU3X5ATU2KFU4 · pith_short_8: XSZTU3X5

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/XSZTU3X5ATU2KFU4X6UUAX2VBF \
  | 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: bcb33a6efd04e9a5169cbfa9405f55097430bd943cf4129df4681c5cc790cf2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52598b671ed7780ff2a86e20d0ec95cd04266bdaa736190d368908daff62c5f7",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-04-07T09:06:36Z",
    "title_canon_sha256": "901c655d8d109aaeea8a2d2a526fd2e05202e75bc6960be60c811431c9fc2842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.01930",
    "kind": "arxiv",
    "version": 1
  }
}