Pith Number

pith:RTZV66H4

pith:2015:RTZV66H46BZ3YJBRA7XBKXHNNK

not attested not anchored not stored refs pending

Evolution of the fine-structure constant in runaway dilaton models

C. J. A. P. Martins, E. Calabrese, M. Martinelli, P. E. Vielzeuf, S. Pandolfi

arxiv:1503.05068 v1 · 2015-03-17 · astro-ph.CO · gr-qc · hep-ph · 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{RTZV66H46BZ3YJBRA7XBKXHNNK}

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	2026-05-18T02:22:20.556721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cf35f78fcf073bc243107ee155ced6ab5838764b5aadb28d110f3d2583c2b3c

Aliases

arxiv: 1503.05068 · arxiv_version: 1503.05068v1 · doi: 10.48550/arxiv.1503.05068 · pith_short_12: RTZV66H46BZ3 · pith_short_16: RTZV66H46BZ3YJBR · pith_short_8: RTZV66H4

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/RTZV66H46BZ3YJBRA7XBKXHNNK \
  | 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: 8cf35f78fcf073bc243107ee155ced6ab5838764b5aadb28d110f3d2583c2b3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0da2b45f2a0fa91a7d216e05bb798b189ec62804b6cfd1330ba3db958104ae35",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-17T14:24:57Z",
    "title_canon_sha256": "9fa89319659049f22cdd76a07e1c6b6c1d4e9ccebc2c4d630e856a60e0903346"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05068",
    "kind": "arxiv",
    "version": 1
  }
}