Pith Number

pith:CYLRFICF

pith:2020:CYLRFICFKGKTUQK2AIUEPDQWXX

not attested not anchored not stored refs pending

NGC 4104: a shell galaxy in a forming fossil group

C. Adami, F. Durret, G. B. Lima Neto, J.-C. Cuillandre, N. Martinet, R. E. G. Machado, T. F. Lagan\'a

arxiv:2006.13941 v1 · 2020-06-24 · 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{CYLRFICFKGKTUQK2AIUEPDQWXX}

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	2026-07-05T01:35:35.273408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

161712a04551953a415a0228478e16bde52ddf7f2608745793a185db1ae34082

Aliases

arxiv: 2006.13941 · arxiv_version: 2006.13941v1 · doi: 10.48550/arxiv.2006.13941 · pith_short_12: CYLRFICFKGKT · pith_short_16: CYLRFICFKGKTUQK2 · pith_short_8: CYLRFICF

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/CYLRFICFKGKTUQK2AIUEPDQWXX \
  | 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: 161712a04551953a415a0228478e16bde52ddf7f2608745793a185db1ae34082

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4581138e1e8bc81d4be24fa32446e59df3bd73250db971fc92efff01a8663eb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-24T18:00:01Z",
    "title_canon_sha256": "a6169be2741f66ec68c492fee03fc124a9b6cfce24d40a6da6ddb4a7c328dffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13941",
    "kind": "arxiv",
    "version": 1
  }
}