Pith Number

pith:HRSXRRAI

pith:2016:HRSXRRAIVLHAISND33OUZT55ZU

not attested not anchored not stored refs pending

Limits of the circles-in-the-sky searches in the determination of cosmic topology of nearly flat universes

B. Mota, G.I. Gomero, M.J. Reboucas

arxiv:1604.02179 v2 · 2016-04-07 · astro-ph.CO · gr-qc · 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{HRSXRRAIVLHAISND33OUZT55ZU}

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	2026-05-18T01:09:35.860685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c6578c408aace0449a3dedd4ccfbdcd3c0512298445c9de6cae7ae7c40c2bb8

Aliases

arxiv: 1604.02179 · arxiv_version: 1604.02179v2 · doi: 10.48550/arxiv.1604.02179 · pith_short_12: HRSXRRAIVLHA · pith_short_16: HRSXRRAIVLHAISND · pith_short_8: HRSXRRAI

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/HRSXRRAIVLHAISND33OUZT55ZU \
  | 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: 3c6578c408aace0449a3dedd4ccfbdcd3c0512298445c9de6cae7ae7c40c2bb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44fca1804f45698e9254fd6ac580efd309cff4eda0d09b1641def3a7f7488685",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-04-07T21:16:50Z",
    "title_canon_sha256": "ccd9e82f80ed5b5f73bf29018598ab08e46b3a4bbaa858dd8e3fd3e63d1c2c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02179",
    "kind": "arxiv",
    "version": 2
  }
}