Pith Number

pith:HNGEJDG6

pith:2004:HNGEJDG6IPC36VKVDVY7DLSUF7

not attested not anchored not stored refs pending

Doing without the Equivalence Principle

J. G. Pereira, K. H. Vu, R. Aldrovandi

arxiv:gr-qc/0410042 v1 · 2004-10-08 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNGEJDG6IPC36VKVDVY7DLSUF7}

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	2026-05-18T00:59:50.321539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b4c448cde43c5bf55551d71f1ae542fdde4b4b10c19f81b3c42d0ead7aefb10

Aliases

arxiv: gr-qc/0410042 · arxiv_version: gr-qc/0410042v1 · doi: 10.48550/arxiv.gr-qc/0410042 · pith_short_12: HNGEJDG6IPC3 · pith_short_16: HNGEJDG6IPC36VKV · pith_short_8: HNGEJDG6

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/HNGEJDG6IPC36VKVDVY7DLSUF7 \
  | 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: 3b4c448cde43c5bf55551d71f1ae542fdde4b4b10c19f81b3c42d0ead7aefb10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5f129a70aa33d30c637f301a60fd2b3e6972a38eac9a7cac51ecc9803394453",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-10-08T19:30:38Z",
    "title_canon_sha256": "e7f72dac020603b753ce58e798f832760ce2c970275b8babe36ae17ab95af352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0410042",
    "kind": "arxiv",
    "version": 1
  }
}