Pith Number

pith:COVTQ4YY

pith:2011:COVTQ4YYCSB7EESXOWWM5LIKL5

not attested not anchored not stored refs pending

The Structure of NGC 1976 in the Radio Range

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

arxiv:1110.4521 v1 · 2011-10-20 · physics.space-ph · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{COVTQ4YYCSB7EESXOWWM5LIKL5}

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	2026-05-18T02:00:07.911045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13ab3873181483f2125775accead0a5f7b459adf718c3dcdb1193e9e05c15829

Aliases

arxiv: 1110.4521 · arxiv_version: 1110.4521v1 · doi: 10.48550/arxiv.1110.4521 · pith_short_12: COVTQ4YYCSB7 · pith_short_16: COVTQ4YYCSB7EESX · pith_short_8: COVTQ4YY

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/COVTQ4YYCSB7EESXOWWM5LIKL5 \
  | 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: 13ab3873181483f2125775accead0a5f7b459adf718c3dcdb1193e9e05c15829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c50ac5a9d8d9e8a0789c4a4e73a7c375c7ae4544ef714085f068e76dbf3b2f4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2011-10-20T13:20:00Z",
    "title_canon_sha256": "4c310813c30609a02cc184e56fc3385e064a0d518b57a5e9911378fa7252d70e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4521",
    "kind": "arxiv",
    "version": 1
  }
}