Pith Number

pith:UOFBXAVM

pith:2011:UOFBXAVM3JG754HFVCAZ7Q6E2L

not attested not anchored not stored refs pending

Ring galaxies from off-centre collisions

(2) ITP, L. Mayer (2) ((1) INAF-OAPD, M. Mapelli (1), University of Zurich)

arxiv:1111.0028 v2 · 2011-10-31 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UOFBXAVM3JG754HFVCAZ7Q6E2L}

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	2026-05-18T01:59:49.302703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a38a1b82acda4dfef0e5a8819fc3c4d2e39e6b61d506f751bee22d582beed49c

Aliases

arxiv: 1111.0028 · arxiv_version: 1111.0028v2 · doi: 10.48550/arxiv.1111.0028 · pith_short_12: UOFBXAVM3JG7 · pith_short_16: UOFBXAVM3JG754HF · pith_short_8: UOFBXAVM

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/UOFBXAVM3JG754HFVCAZ7Q6E2L \
  | 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: a38a1b82acda4dfef0e5a8819fc3c4d2e39e6b61d506f751bee22d582beed49c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0b8c66da4abccfb939c04d4ec425dbd2ed2cc45aee7d6aee85fd5f9298f0d2d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-31T21:00:37Z",
    "title_canon_sha256": "6b3768f066d52c5886e3585f79cb6abc3283678afd5d421f4c96377d8b054282"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0028",
    "kind": "arxiv",
    "version": 2
  }
}