Pith Number

pith:DA3W5HAY

pith:2013:DA3W5HAYZCEW3Z2NYINLLIYUEL

not attested not anchored not stored refs pending

Testing the existence of regions of stable orbits at small radii around black hole candidates

Cosimo Bambi, Georgios Lukes-Gerakopoulos

arxiv:1302.0565 v2 · 2013-02-04 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DA3W5HAYZCEW3Z2NYINLLIYUEL}

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	2026-05-18T03:27:34.114733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18376e9c18c8896de74dc21ab5a31422cfa5446918dfc9f796a478573075ceab

Aliases

arxiv: 1302.0565 · arxiv_version: 1302.0565v2 · doi: 10.48550/arxiv.1302.0565 · pith_short_12: DA3W5HAYZCEW · pith_short_16: DA3W5HAYZCEW3Z2N · pith_short_8: DA3W5HAY

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/DA3W5HAYZCEW3Z2NYINLLIYUEL \
  | 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: 18376e9c18c8896de74dc21ab5a31422cfa5446918dfc9f796a478573075ceab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e056d9af6ef910a1f5a98e1baa4aa7ed0b94655462cb6ed55bf34350cc5967b",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-02-04T01:47:50Z",
    "title_canon_sha256": "7e627c215a8d1d3416b25e333c6d456feb5d57992b474eb0f534f76539904db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.0565",
    "kind": "arxiv",
    "version": 2
  }
}