Pith Number

pith:4SXOPM72

pith:1997:4SXOPM72NUECHHKNGXQJLE7I7B

not attested not anchored not stored refs pending

The iron K line complex in NGC1068: implications for X-ray reflection in the nucleus

A.C. Fabian, G. Matt, K. Iwasawa

arxiv:astro-ph/9703159 v1 · 1997-03-25 · astro-ph

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	2026-05-18T01:40:17.921621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4aee7b3fa6d08239d4d35e09593e8f844881491bd72d69e12d59a0bfdbf182e

Aliases

arxiv: astro-ph/9703159 · arxiv_version: astro-ph/9703159v1 · doi: 10.48550/arxiv.astro-ph/9703159 · pith_short_12: 4SXOPM72NUEC · pith_short_16: 4SXOPM72NUECHHKN · pith_short_8: 4SXOPM72

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/4SXOPM72NUECHHKNGXQJLE7I7B \
  | 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: e4aee7b3fa6d08239d4d35e09593e8f844881491bd72d69e12d59a0bfdbf182e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc9a72e645c16939f77c9aa778a8c4d8c7ce60c500f1689e56ac2f567b7ce1ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-25T12:05:47Z",
    "title_canon_sha256": "c7753a2a8b10a1e7def18a8cde1905e8f3cf06d95db2e2894caee43db4185e3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703159",
    "kind": "arxiv",
    "version": 1
  }
}