Pith Number

pith:FA56L5S7

pith:2017:FA56L5S7Y4EK3H76EO6HXEWY2B

not attested not anchored not stored refs pending

Exploring the expansion dynamics of the universe from galaxy cluster surveys

Deng Wang, Xin-he Meng

arxiv:1709.04134 v1 · 2017-09-13 · astro-ph.CO · gr-qc · hep-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FA56L5S7Y4EK3H76EO6HXEWY2B}

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	2026-05-18T00:35:15.385562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74

Aliases

arxiv: 1709.04134 · arxiv_version: 1709.04134v1 · doi: 10.48550/arxiv.1709.04134 · pith_short_12: FA56L5S7Y4EK · pith_short_16: FA56L5S7Y4EK3H76 · pith_short_8: FA56L5S7

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/FA56L5S7Y4EK3H76EO6HXEWY2B \
  | 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: 283be5f65fc708ad9ffe23bc7b92d8d045a21d6bfb3bc101aed203a901930b74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4514a317280fa13cfd2f5c98e451e7bf6e6bc6e83bfc5d76fe0b0c9a592ec882",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-09-13T04:49:46Z",
    "title_canon_sha256": "6d5cc7bf31aa4bf5b817113e02f4bce4442df6160116225274af9e4f9e649e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04134",
    "kind": "arxiv",
    "version": 1
  }
}