Pith Number

pith:KCAC25FK

pith:2017:KCAC25FKY5UCZBCMO5FKUBLL7J

not attested not anchored not stored refs pending

A Widespread, Clumpy Starburst in the Isolated Ongoing Dwarf Galaxy Merger dm1647+21

D. R. Patton, G. Besla, G. C. Privon, K. E. Johnson, M. Putman, N. Kallivayalil, S. Liss, S. Pearson, S. Stierwalt

arxiv:1708.02587 v1 · 2017-08-08 · astro-ph.GA

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

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	2026-05-18T00:36:13.756260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50802d74aac7682c844c774aaa056bfa4ee76373efb3cc3d5dec4e6bc104216c

Aliases

arxiv: 1708.02587 · arxiv_version: 1708.02587v1 · doi: 10.48550/arxiv.1708.02587 · pith_short_12: KCAC25FKY5UC · pith_short_16: KCAC25FKY5UCZBCM · pith_short_8: KCAC25FK

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/KCAC25FKY5UCZBCMO5FKUBLL7J \
  | 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: 50802d74aac7682c844c774aaa056bfa4ee76373efb3cc3d5dec4e6bc104216c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cffe7088a1b99b85540adcf0519095f877930c6a9f56f5dbcb69ba80c69683d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-08T18:00:00Z",
    "title_canon_sha256": "21d16d2893a28d89b64c7c48292242bba9b2a19538b163a4b1de7f3e93e56aca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02587",
    "kind": "arxiv",
    "version": 1
  }
}