Pith Number

pith:KG5BYLEX

pith:2016:KG5BYLEX5NCTBCD3HBFGG3CFTE

not attested not anchored not stored refs pending

Dark energy constraints from ESPRESSO tests of the stability of fundamental couplings

A. C. O. Leite, C. J. A. P. Martins, D. Corre, P. Molaro, S. Cristiani

arxiv:1612.05284 v1 · 2016-12-15 · astro-ph.CO · astro-ph.IM · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KG5BYLEX5NCTBCD3HBFGG3CFTE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:54:52.139510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51ba1c2c97eb4530887b384a636c459900a0cc402f86037264c514b2c4744c04

Aliases

arxiv: 1612.05284 · arxiv_version: 1612.05284v1 · doi: 10.48550/arxiv.1612.05284 · pith_short_12: KG5BYLEX5NCT · pith_short_16: KG5BYLEX5NCTBCD3 · pith_short_8: KG5BYLEX

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/KG5BYLEX5NCTBCD3HBFGG3CFTE \
  | 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: 51ba1c2c97eb4530887b384a636c459900a0cc402f86037264c514b2c4744c04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81b60447ce8d7fc7444e02c67fe5ef9cc456504417cd3f59a79b1fef9e502f90",
    "cross_cats_sorted": [
      "astro-ph.IM",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-12-15T21:46:44Z",
    "title_canon_sha256": "3c5147aab548871a0d87694af8725d1a771e3f7ac16aed9fda6b040424d736ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05284",
    "kind": "arxiv",
    "version": 1
  }
}