Pith Number

pith:EHDX5OID

pith:2017:EHDX5OIDHZ22SFLWCG2EVPBETY

not attested not anchored not stored refs pending

A Spatially Resolved Radio Spectral Index Study of the Dwarf Irregular Galaxy NGC\,1569

Elias Brinks, Jonathan Westcott, Luke Hindson, Robert Beswick, Volker Heesen

arxiv:1712.00025 v1 · 2017-11-30 · 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{EHDX5OIDHZ22SFLWCG2EVPBETY}

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	2026-05-18T00:25:15.865824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c77eb9033e75a9157611b44abc249e2272255b1f3499689d1fc7c9e587d6ee

Aliases

arxiv: 1712.00025 · arxiv_version: 1712.00025v1 · doi: 10.48550/arxiv.1712.00025 · pith_short_12: EHDX5OIDHZ22 · pith_short_16: EHDX5OIDHZ22SFLW · pith_short_8: EHDX5OID

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/EHDX5OIDHZ22SFLWCG2EVPBETY \
  | 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: 21c77eb9033e75a9157611b44abc249e2272255b1f3499689d1fc7c9e587d6ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96f8da8f1415b5de472dcbb2748a4c9e641d8930433e59c1e881f0dac1ebcdb3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-30T19:00:08Z",
    "title_canon_sha256": "a3801366578f756341f6e68d9433fb250eaeb12565001c41f25eb15050ea6b14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00025",
    "kind": "arxiv",
    "version": 1
  }
}