Pith Number

pith:SNPYGVPE

pith:2025:SNPYGVPELA2JB3HQRIG4JSWWSK

not attested not anchored not stored refs pending

The lens mass in the Einstein ring JWST-ER1

Fulvio Melia

arxiv:2503.09607 v1 · 2025-02-24 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNPYGVPELA2JB3HQRIG4JSWWSK}

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.

Cited by

1 paper in Pith

Comparison of $R_h=ct$ and $\Lambda$CDM using DESI DR1 measurements

Receipt and verification

First computed	2026-07-05T10:30:04.518575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

935f8355e4583490ecf08a0dc4cad69284bb2862c533a9c8436a7c4bf2d81f28

Aliases

arxiv: 2503.09607 · arxiv_version: 2503.09607v1 · doi: 10.48550/arxiv.2503.09607 · pith_short_12: SNPYGVPELA2J · pith_short_16: SNPYGVPELA2JB3HQ · pith_short_8: SNPYGVPE

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/SNPYGVPELA2JB3HQRIG4JSWWSK \
  | 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: 935f8355e4583490ecf08a0dc4cad69284bb2862c533a9c8436a7c4bf2d81f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "295e76dfad4b8519779cc8becd044381bea59d453cbf727012f8bb66b4b5f4d9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-02-24T17:51:39Z",
    "title_canon_sha256": "e533c4635fe1fb0bbb28f5caa78d67ae987abf51310a595e779d39869f25740a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.09607",
    "kind": "arxiv",
    "version": 1
  }
}