Pith Number

pith:OPLK5ZCM

pith:2012:OPLK5ZCMRFDQ6PI5ELKW25NQPS

not attested not anchored not stored refs pending

Tidal Tails of Minor Mergers: Star Formation Efficiency in the Western Tail of NGC 2782

Elizabeth Wehner (Haverford), Karen Knierman (ASU), Patricia Knezek (WIYN), Paul Scowen (ASU), Rolf Jansen (ASU)

arxiv:1205.1553 v2 · 2012-05-07 · astro-ph.CO · 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{OPLK5ZCMRFDQ6PI5ELKW25NQPS}

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	2026-05-18T03:55:57.106040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73d6aee44c89470f3d1d22d56d75b07c92e0a8128e8aec775a7ca5ebc1c11fe5

Aliases

arxiv: 1205.1553 · arxiv_version: 1205.1553v2 · doi: 10.48550/arxiv.1205.1553 · pith_short_12: OPLK5ZCMRFDQ · pith_short_16: OPLK5ZCMRFDQ6PI5 · pith_short_8: OPLK5ZCM

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/OPLK5ZCMRFDQ6PI5ELKW25NQPS \
  | 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: 73d6aee44c89470f3d1d22d56d75b07c92e0a8128e8aec775a7ca5ebc1c11fe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e56f9e0833287f010a2bd18e2f3b046bffcb7e77e3bb60039be2a74e9f938ec2",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-07T22:18:14Z",
    "title_canon_sha256": "b6b563114e0e9a8ded4ea2dc4cbc8080c21e8fea297a21eee4b3d08f510b6048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1553",
    "kind": "arxiv",
    "version": 2
  }
}