Pith Number

pith:XQCBS23B

pith:2011:XQCBS23BZVQD6A6FN3MAWJM5KR

not attested not anchored not stored refs pending

The Structure of NGC 1976 in the Radio Range, v2

Katie M. Keating, S. Casassus, T. L. Wilson

arxiv:1112.0047 v1 · 2011-11-30 · 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{XQCBS23BZVQD6A6FN3MAWJM5KR}

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	2026-05-18T04:07:17.106704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc04196b61cd603f03c56ed80b259d544d1a688beca97266b74df6473d446c58

Aliases

arxiv: 1112.0047 · arxiv_version: 1112.0047v1 · doi: 10.48550/arxiv.1112.0047 · pith_short_12: XQCBS23BZVQD · pith_short_16: XQCBS23BZVQD6A6F · pith_short_8: XQCBS23B

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/XQCBS23BZVQD6A6FN3MAWJM5KR \
  | 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: bc04196b61cd603f03c56ed80b259d544d1a688beca97266b74df6473d446c58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5106c7a3da426aa56ea9b4413415087c5093ecad30139e33d311d1696aae76d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-30T22:24:03Z",
    "title_canon_sha256": "a8fd08003ac9a8d8555ebfdac486cf7eecb9416f8a4406f66b2c1ea90ed054e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0047",
    "kind": "arxiv",
    "version": 1
  }
}