Pith Number

pith:SRX5VVJ3

pith:2017:SRX5VVJ3BS5D4K4VVZSUTK3J2A

not attested not anchored not stored refs pending

Gravitational Coupling from Active Gravity

Tao Lei, Xiang-Song Chen, Zhen-Lai Wang, Zi-Wei Chen

arxiv:1702.02921 v1 · 2017-02-09 · 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{SRX5VVJ3BS5D4K4VVZSUTK3J2A}

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	2026-05-18T00:51:02.043043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

946fdad53b0cba3e2b95ae6549ab69d006c71f05799854535ec2fa301f355456

Aliases

arxiv: 1702.02921 · arxiv_version: 1702.02921v1 · doi: 10.48550/arxiv.1702.02921 · pith_short_12: SRX5VVJ3BS5D · pith_short_16: SRX5VVJ3BS5D4K4V · pith_short_8: SRX5VVJ3

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/SRX5VVJ3BS5D4K4VVZSUTK3J2A \
  | 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: 946fdad53b0cba3e2b95ae6549ab69d006c71f05799854535ec2fa301f355456

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50cdfcc405acdde44d36b0aa4abda68ff53cc9192a1a8aa6ca7aa58c9efaceb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-09T18:08:20Z",
    "title_canon_sha256": "00c2c6541ee49e412a037f1ed9c902cd370ad68a666e7069290ba92c72051c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02921",
    "kind": "arxiv",
    "version": 1
  }
}