Pith Number

pith:TDLCSUKB

pith:2011:TDLCSUKB7YXHFOPZLBG62OYQON

not attested not anchored not stored refs pending

Emission sparks around M 81 and in some dSph galaxies

Elena Kaisina, Igor Karachentsev, Lidia Makarova, Serafim Kaisin

arxiv:1104.5318 v1 · 2011-04-28 · 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{TDLCSUKB7YXHFOPZLBG62OYQON}

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	2026-05-18T02:02:13.724756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d6295141fe2e72b9f9584ded3b10736b87223e164cf36e82b7b66445f815e6

Aliases

arxiv: 1104.5318 · arxiv_version: 1104.5318v1 · doi: 10.48550/arxiv.1104.5318 · pith_short_12: TDLCSUKB7YXH · pith_short_16: TDLCSUKB7YXHFOPZ · pith_short_8: TDLCSUKB

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/TDLCSUKB7YXHFOPZLBG62OYQON \
  | 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: 98d6295141fe2e72b9f9584ded3b10736b87223e164cf36e82b7b66445f815e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8c05f0bcfc89bd2255ca627db8c247d8861dd289e5842f67350bd6577ef0e5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-28T07:51:29Z",
    "title_canon_sha256": "994f935d74c1269e69bafe012f2a7c790f59147718eead726fd23729069b45b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5318",
    "kind": "arxiv",
    "version": 1
  }
}