Pith Number

pith:2LQNT4I4

pith:2012:2LQNT4I4VHHT2CG45YN6JFK7SA

not attested not anchored not stored refs pending

OH Masers and Supernova Remnants

Korinne McDonnell (Macquarie University), Mark Wardle

arxiv:1204.3732 v1 · 2012-04-17 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LQNT4I4VHHT2CG45YN6JFK7SA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:57:51.633222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e0d9f11ca9cf3d08dcee1be4955f9003a81fd8e9437b3ffb950c863db75e9b

Aliases

arxiv: 1204.3732 · arxiv_version: 1204.3732v1 · doi: 10.48550/arxiv.1204.3732 · pith_short_12: 2LQNT4I4VHHT · pith_short_16: 2LQNT4I4VHHT2CG4 · pith_short_8: 2LQNT4I4

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/2LQNT4I4VHHT2CG45YN6JFK7SA \
  | 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: d2e0d9f11ca9cf3d08dcee1be4955f9003a81fd8e9437b3ffb950c863db75e9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb087ee03a882c2884f2c3ad01680fac7fb93889085cbdbc01ace368c08eb4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-04-17T09:00:03Z",
    "title_canon_sha256": "f81bd0250d410471733ac93900ff812b1d56c5d8c3d65eabb8d4080d9e0ab481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3732",
    "kind": "arxiv",
    "version": 1
  }
}