Pith Number

pith:UZ3WUZRV

pith:2017:UZ3WUZRVLDJZHFOR2ETJOOTHZ2

not attested not anchored not stored refs pending

The OVI mystery: mismatch between X-ray and UV column densities

Anil Pradhan, Anjali Gupta, Brendan McLaughlin, Fabrizio Nicastro, Nancy Brickhouse, Smita Mathur, Yair Krongold

arxiv:1711.03055 v1 · 2017-11-08 · 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	2026-05-18T00:27:41.749545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6776a663558d39395d1d126973a67ceac949e1b2cb041c0196a5d0179ee2b66

Aliases

arxiv: 1711.03055 · arxiv_version: 1711.03055v1 · doi: 10.48550/arxiv.1711.03055 · pith_short_12: UZ3WUZRVLDJZ · pith_short_16: UZ3WUZRVLDJZHFOR · pith_short_8: UZ3WUZRV

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/UZ3WUZRVLDJZHFOR2ETJOOTHZ2 \
  | 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: a6776a663558d39395d1d126973a67ceac949e1b2cb041c0196a5d0179ee2b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc15397dd4fd12c123992d4667cc9259caf9b9b0aa74d3a016a3b4084a9faee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-11-08T17:19:32Z",
    "title_canon_sha256": "c87c51fa3d1a3e329234ffa8af91f19356faac74e4e1eb81205d426e64bcbc27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.03055",
    "kind": "arxiv",
    "version": 1
  }
}