Pith Number

pith:KPDAXFAX

pith:2020:KPDAXFAX4OCGZ334VUV53NXMAJ

not attested not anchored not stored refs pending

Varying physical constants and the lithium problem

Rajendra P. Gupta

arxiv:2010.13628 v3 · 2020-10-23 · gr-qc · 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{KPDAXFAX4OCGZ334VUV53NXMAJ}

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

New analysis of SNeIa Pantheon Catalog: Variable speed of light as an alternative to dark energy

Receipt and verification

First computed	2026-07-05T04:08:02.810457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c60b9417e3846cef7cad2bddb6ec024a43f018d669d055213db81a2d6569bc

Aliases

arxiv: 2010.13628 · arxiv_version: 2010.13628v3 · doi: 10.48550/arxiv.2010.13628 · pith_short_12: KPDAXFAX4OCG · pith_short_16: KPDAXFAX4OCGZ334 · pith_short_8: KPDAXFAX

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/KPDAXFAX4OCGZ334VUV53NXMAJ \
  | 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: 53c60b9417e3846cef7cad2bddb6ec024a43f018d669d055213db81a2d6569bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f687c78fe6a2bdb44bfa8c420278c59fe1923b511887ffbae0ff5c71c233c490",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-10-23T16:13:47Z",
    "title_canon_sha256": "ddbf2edda2b5815c4ff00b91e48be0ee67a5a4741fea99a9679793420e185822"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.13628",
    "kind": "arxiv",
    "version": 3
  }
}