Pith Number

pith:GYQR3YBS

pith:2021:GYQR3YBSBGVAAOGSCQKXKLW35S

not attested not anchored not stored refs pending

Note on equatorial geodesics in circular spacetimes

Karim Van Aelst

arxiv:2103.01816 v1 · 2021-03-02 · 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{GYQR3YBSBGVAAOGSCQKXKLW35S}

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	2026-07-05T02:19:50.922894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36211de03209aa0038d21415752edbec838ca0138ebdf81e8aee4c0b3359a03f

Aliases

arxiv: 2103.01816 · arxiv_version: 2103.01816v1 · doi: 10.48550/arxiv.2103.01816 · pith_short_12: GYQR3YBSBGVA · pith_short_16: GYQR3YBSBGVAAOGS · pith_short_8: GYQR3YBS

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/GYQR3YBSBGVAAOGSCQKXKLW35S \
  | 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: 36211de03209aa0038d21415752edbec838ca0138ebdf81e8aee4c0b3359a03f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb4999222f633d64f0ff0d2e6b1640cff41b56ad4fe5baaeedb763cdda924d0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-03-02T15:46:14Z",
    "title_canon_sha256": "eb9dfc90ca05db051f3919ed7f964f015d79788324ec426e4fe0968ff45d758a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.01816",
    "kind": "arxiv",
    "version": 1
  }
}