Pith Number

pith:VIPVVVMP

pith:2015:VIPVVVMPNXZTU4XK6LTHPKTDIY

not attested not anchored not stored refs pending

Equivalence principle in scalar-tensor gravity

Dirk Puetzfeld, Yuri N. Obukhov

arxiv:1505.01285 v2 · 2015-05-06 · 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{VIPVVVMPNXZTU4XK6LTHPKTDIY}

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	2026-05-18T01:29:46.089803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa1f5ad58f6df33a72eaf2e677aa63461b257311c80f29e27354afb651601c91

Aliases

arxiv: 1505.01285 · arxiv_version: 1505.01285v2 · doi: 10.48550/arxiv.1505.01285 · pith_short_12: VIPVVVMPNXZT · pith_short_16: VIPVVVMPNXZTU4XK · pith_short_8: VIPVVVMP

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/VIPVVVMPNXZTU4XK6LTHPKTDIY \
  | 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: aa1f5ad58f6df33a72eaf2e677aa63461b257311c80f29e27354afb651601c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a472512d778727ca42e8f61db7d6ada30ce5265dfd197be3f965672e3f8e53d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-05-06T08:51:13Z",
    "title_canon_sha256": "9760d804475b87fa0403436fa8b9b8ae39d74be8d031eab75197585f47e9d0d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01285",
    "kind": "arxiv",
    "version": 2
  }
}