Pith Number

pith:VHCKSNQU

pith:2016:VHCKSNQURYIQVENVWP4755GQRZ

not attested not anchored not stored refs pending

Primordial perturbations in a rainbow universe with running Newton constant

Francesco Brighenti, Giulia Gubitosi, Joao Magueijo

arxiv:1612.06378 v1 · 2016-12-19 · gr-qc · astro-ph.CO · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHCKSNQURYIQVENVWP4755GQRZ}

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	2026-05-18T00:47:05.262597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c4a936148e110a91b5b3f9fef4d08e60ad76852922d24df861e75e863adf11

Aliases

arxiv: 1612.06378 · arxiv_version: 1612.06378v1 · doi: 10.48550/arxiv.1612.06378 · pith_short_12: VHCKSNQURYIQ · pith_short_16: VHCKSNQURYIQVENV · pith_short_8: VHCKSNQU

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/VHCKSNQURYIQVENVWP4755GQRZ \
  | 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: a9c4a936148e110a91b5b3f9fef4d08e60ad76852922d24df861e75e863adf11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72c385d9bccfe9bf65c5cc0412feb0c41bd0b935ac84e9fb1546fb81a263bf1a",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-12-19T18:31:49Z",
    "title_canon_sha256": "2f1ed6937344e0d50a0a718ef0343e45227152d94c7c057cd1a4f81f3d408275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06378",
    "kind": "arxiv",
    "version": 1
  }
}