Pith Number

pith:HXAWAID6

pith:2011:HXAWAID6TYTDAPOTEODQ6LZDXE

not attested not anchored not stored refs pending

Reconstructing the expansion history of the Universe with a one-fluid approach

Hernando Quevedo, Orlando Luongo

arxiv:1104.4758 v1 · 2011-04-25 · 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{HXAWAID6TYTDAPOTEODQ6LZDXE}

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	2026-05-18T04:23:33.502710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3dc160207e9e26303dd323870f2f23b92033deed1338d1b6eed1a28356d05589

Aliases

arxiv: 1104.4758 · arxiv_version: 1104.4758v1 · doi: 10.48550/arxiv.1104.4758 · pith_short_12: HXAWAID6TYTD · pith_short_16: HXAWAID6TYTDAPOT · pith_short_8: HXAWAID6

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/HXAWAID6TYTDAPOTEODQ6LZDXE \
  | 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: 3dc160207e9e26303dd323870f2f23b92033deed1338d1b6eed1a28356d05589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef026bdb8e1d8eccd5d06f728c7aad2f491111a8cca53899cbda1551b1fd0956",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-04-25T17:59:32Z",
    "title_canon_sha256": "45ac8cbc79aa86f44cd165831ae07045650d3595b68478fd9f0053eb1b7b57a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4758",
    "kind": "arxiv",
    "version": 1
  }
}