Pith Number

pith:IUCQB5QI

pith:2017:IUCQB5QIWHNFGCKMY3ZJCR6OOB

not attested not anchored not stored refs pending

Galaxy Rotation Curves via Conformal Factors

Andrzej Borowiec, Aneta Wojnar, Ciprian A. Sporea

arxiv:1705.04131 v2 · 2017-05-11 · 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{IUCQB5QIWHNFGCKMY3ZJCR6OOB}

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	2026-05-18T00:18:41.550349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450500f608b1da53094cc6f29147ce705e49fd820794e6841ebf2bdcf56d29f3

Aliases

arxiv: 1705.04131 · arxiv_version: 1705.04131v2 · doi: 10.48550/arxiv.1705.04131 · pith_short_12: IUCQB5QIWHNF · pith_short_16: IUCQB5QIWHNFGCKM · pith_short_8: IUCQB5QI

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/IUCQB5QIWHNFGCKMY3ZJCR6OOB \
  | 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: 450500f608b1da53094cc6f29147ce705e49fd820794e6841ebf2bdcf56d29f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77910fb818321ed3496bfcd9afdb52300fb5bf0f21c9bb62ec425ba398713999",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-11T12:27:49Z",
    "title_canon_sha256": "1c0e2ccc90e0234c2337a2aab0b26d9460801c4cf60d0deb9b4d802e00a67589"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.04131",
    "kind": "arxiv",
    "version": 2
  }
}