Pith Number

pith:QKBU7LXK

pith:2008:QKBU7LXKKDW6FYG43EKZ4DMFPC

not attested not anchored not stored refs pending

String dynamics and ejection along the axis of a spinning black hole

Ted Jacobson, Thomas P. Sotiriou

arxiv:0812.3996 v2 · 2008-12-20 · gr-qc · astro-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKBU7LXKKDW6FYG43EKZ4DMFPC}

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	2026-07-04T17:26:15.737055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82834faeea50ede2e0dcd9159e0d85789f482fe32638101f9504ef1df42befc2

Aliases

arxiv: 0812.3996 · arxiv_version: 0812.3996v2 · doi: 10.48550/arxiv.0812.3996 · pith_short_12: QKBU7LXKKDW6 · pith_short_16: QKBU7LXKKDW6FYG4 · pith_short_8: QKBU7LXK

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/QKBU7LXKKDW6FYG43EKZ4DMFPC \
  | 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: 82834faeea50ede2e0dcd9159e0d85789f482fe32638101f9504ef1df42befc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de87b137ccbf133c4fcabdae52ea1b45613a033234fc668a6dde7dd399bca78",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-12-20T20:50:25Z",
    "title_canon_sha256": "bfed3b7e19938a3c70a29eab4dc12cff92ad18521ee6961221788432364cb17e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3996",
    "kind": "arxiv",
    "version": 2
  }
}