Pith Number

pith:QAKNQGYI

pith:2012:QAKNQGYIFVPU6OUBCYLEAUZKKF

not attested not anchored not stored refs pending

Mergers and ejections of black holes in globular clusters

Cambridge), Sverre Aarseth (IOA

arxiv:1202.4688 v2 · 2012-02-21 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QAKNQGYIFVPU6OUBCYLEAUZKKF}

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	2026-05-18T01:58:22.805831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8014d81b082d5f4f3a81161640532a516e73556c90a8576c8f14c04475fc4b4f

Aliases

arxiv: 1202.4688 · arxiv_version: 1202.4688v2 · doi: 10.48550/arxiv.1202.4688 · pith_short_12: QAKNQGYIFVPU · pith_short_16: QAKNQGYIFVPU6OUB · pith_short_8: QAKNQGYI

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/QAKNQGYIFVPU6OUBCYLEAUZKKF \
  | 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: 8014d81b082d5f4f3a81161640532a516e73556c90a8576c8f14c04475fc4b4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d590ef6ff257f109d27ec9bcff9f9cd79ad9a4f3105774e2ce01bc2510946a01",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-02-21T16:13:02Z",
    "title_canon_sha256": "c07f8a3b89c517bef43c2db158e9d4e342bb75273653c3dc2a9ed51e5d988cf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4688",
    "kind": "arxiv",
    "version": 2
  }
}