Pith Number

pith:DTQ4NT5S

pith:2013:DTQ4NT5S7PT4YEXO27CP3ZEEJF

not attested not anchored not stored refs pending

Unbound geodesics from the ergosphere and the M87 jet profile

G. Marcilhacy, J. Gariel, N. O. Santos

arxiv:1303.6474 v1 · 2013-03-26 · astro-ph.HE · 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{DTQ4NT5S7PT4YEXO27CP3ZEEJF}

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	2026-05-18T01:50:52.600876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ce1c6cfb2fbe7cc12eed7c4fde4844946d09f459538f6b1059aea1afc50de17

Aliases

arxiv: 1303.6474 · arxiv_version: 1303.6474v1 · doi: 10.48550/arxiv.1303.6474 · pith_short_12: DTQ4NT5S7PT4 · pith_short_16: DTQ4NT5S7PT4YEXO · pith_short_8: DTQ4NT5S

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/DTQ4NT5S7PT4YEXO27CP3ZEEJF \
  | 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: 1ce1c6cfb2fbe7cc12eed7c4fde4844946d09f459538f6b1059aea1afc50de17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3181e18ea139c52f3e36f54c84e6797551237d40703a23ba1934a90c2e9f7c16",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-03-26T13:12:21Z",
    "title_canon_sha256": "ddc57291ec75d5ff7070c5c72cab0883f43ee6430005ad87a8701b730b82cc7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6474",
    "kind": "arxiv",
    "version": 1
  }
}