Pith Number

pith:4KM27WCB

pith:2004:4KM27WCBVMW4DMXCGETPC7Z7OX

not attested not anchored not stored refs pending

Relativistic Iron Lines in Galactic Black Holes: Recent Results and Lines in the ASCA Archive

(2) Univ. of Cambridge IoA, (3) MIT), A. C. Fabian (2), J. M. Miller (1), M. A. Nowak (3), W. H. G. Lewin (3) ((1) Harvard-Smithsonian CfA

arxiv:astro-ph/0402101 v1 · 2004-02-04 · 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	2026-05-18T00:59:51.113600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e299afd841ab2dc1b2e23126f17f3f75f06a0b3c19bf9a5f6e17f3a089deb8fb

Aliases

arxiv: astro-ph/0402101 · arxiv_version: astro-ph/0402101v1 · doi: 10.48550/arxiv.astro-ph/0402101 · pith_short_12: 4KM27WCBVMW4 · pith_short_16: 4KM27WCBVMW4DMXC · pith_short_8: 4KM27WCB

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/4KM27WCBVMW4DMXCGETPC7Z7OX \
  | 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: e299afd841ab2dc1b2e23126f17f3f75f06a0b3c19bf9a5f6e17f3a089deb8fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3bc2ef21d8b1d0f979a04134d4d0f3915309fddcce28e1853e295bd34431519",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-04T16:08:56Z",
    "title_canon_sha256": "9cefdbe68e8c2edcba2b9eb0a2334ba1fa62801e0ed275165649402c2ca0e76f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402101",
    "kind": "arxiv",
    "version": 1
  }
}