Pith Number

pith:7MEKSETY

pith:2020:7MEKSETY57FU727WHMN55YCAHP

not attested not anchored not stored refs pending

Probing variation of the fine-structure constant in runaway dilaton models using Strong Gravitational Lensing and Type Ia Supernovae

L. R. Cola\c{c}o, R. F. L. Holanda, R. SIlva

arxiv:2004.08484 v5 · 2020-04-17 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MEKSETY57FU727WHMN55YCAHP}

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	2026-07-05T03:18:59.556717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb08a91278efcb4febf63b1bdee0403bed6d57be87110139c943f33eccf88009

Aliases

arxiv: 2004.08484 · arxiv_version: 2004.08484v5 · doi: 10.48550/arxiv.2004.08484 · pith_short_12: 7MEKSETY57FU · pith_short_16: 7MEKSETY57FU727W · pith_short_8: 7MEKSETY

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/7MEKSETY57FU727WHMN55YCAHP \
  | 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: fb08a91278efcb4febf63b1bdee0403bed6d57be87110139c943f33eccf88009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f962f778c9e71766654ba5d4e52f8863ad0470f7ad2f485881273c5526d33b7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-04-17T23:11:40Z",
    "title_canon_sha256": "d1b82cbc67efe6cc26900c4515736dcb79c9cea2b88f97fb6e4319993ee79e85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08484",
    "kind": "arxiv",
    "version": 5
  }
}