Pith Number

pith:HBCFLOPD

pith:2015:HBCFLOPDZD546LH2F4W362GRRC

not attested not anchored not stored refs pending

Polarization signatures of unresolved radio sources

D.H.F.M. Schnitzeler, J.K. Banfield, K.J. Lee

arxiv:1504.00017 v1 · 2015-03-31 · 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	2026-05-18T02:03:33.312806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384455b9e3c8fbcf2cfa2f2dbf68d1889d56e50f4bf75836e3ee688ba8e3a73b

Aliases

arxiv: 1504.00017 · arxiv_version: 1504.00017v1 · doi: 10.48550/arxiv.1504.00017 · pith_short_12: HBCFLOPDZD54 · pith_short_16: HBCFLOPDZD546LH2 · pith_short_8: HBCFLOPD

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/HBCFLOPDZD546LH2F4W362GRRC \
  | 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: 384455b9e3c8fbcf2cfa2f2dbf68d1889d56e50f4bf75836e3ee688ba8e3a73b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4371d6ae48edd3bdb4b92f0cad1837f4b75a073527a3c0f3c14d4f2354d4ebc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-31T20:00:27Z",
    "title_canon_sha256": "33f50c24836ade6b051f23c37da94780f721034f94042722803feb2d445f61a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00017",
    "kind": "arxiv",
    "version": 1
  }
}