Pith Number

pith:EIRX44LX

pith:2021:EIRX44LXSSSCGGPJV4PM2I5CHD

not attested not anchored not stored refs pending

Performance of Non-Parametric Reconstruction Techniques in the Late-Time Universe

Celia Escamilla-Rivera, Jackson Levi Said, Jurgen Mifsud

arxiv:2105.14332 v2 · 2021-05-29 · astro-ph.CO · 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{EIRX44LXSSSCGGPJV4PM2I5CHD}

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	2026-07-05T03:20:56.049510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22237e717794a42319e9af1ecd23a238dda196d39d40ef589a7e080a4996d902

Aliases

arxiv: 2105.14332 · arxiv_version: 2105.14332v2 · doi: 10.48550/arxiv.2105.14332 · pith_short_12: EIRX44LXSSSC · pith_short_16: EIRX44LXSSSCGGPJ · pith_short_8: EIRX44LX

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/EIRX44LXSSSCGGPJV4PM2I5CHD \
  | 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: 22237e717794a42319e9af1ecd23a238dda196d39d40ef589a7e080a4996d902

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f15b2cd2edfdee34fd2d92eb3a76e5b14ed72896d60aa58694048db999fa62",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-05-29T16:07:41Z",
    "title_canon_sha256": "4c8717cf3aa429a29fdee416f25f8ab5835e6e68333aa2a9ff2f48b3880b1a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14332",
    "kind": "arxiv",
    "version": 2
  }
}