Pith Number

pith:JCIDDJTJ

pith:1997:JCIDDJTJCJIUFPCOL34N5AGNER

not attested not anchored not stored refs pending

On the weak field approximation of Brans-Dicke theory of gravity

A.Barros, C.Romero

arxiv:gr-qc/9712080 v1 · 1997-12-18 · 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{JCIDDJTJCJIUFPCOL34N5AGNER}

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.

Cited by

1 paper in Pith

Testing Extended Theories of Gravity via Black Hole Photon Rings

Receipt and verification

First computed	2026-07-04T16:04:42.024839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

489031a669125142bc4e5ef8de80cd24712ee332e16bcc9954445e75f00188ed

Aliases

arxiv: gr-qc/9712080 · arxiv_version: gr-qc/9712080v1 · doi: 10.48550/arxiv.gr-qc/9712080 · pith_short_12: JCIDDJTJCJIU · pith_short_16: JCIDDJTJCJIUFPCO · pith_short_8: JCIDDJTJ

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/JCIDDJTJCJIUFPCOL34N5AGNER \
  | 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: 489031a669125142bc4e5ef8de80cd24712ee332e16bcc9954445e75f00188ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3a403815b8cc2c0008bcc8c4ac8e76697bfa4a65fabec231a9cfce9a9e4cdd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-12-18T17:57:42Z",
    "title_canon_sha256": "56e32e8ef0a0c4f2545727d5b34251108a9cc465ffc150fd9c58d27213215864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9712080",
    "kind": "arxiv",
    "version": 1
  }
}