Pith Number

pith:NXNN2HC6

pith:1999:NXNN2HC6CBYZIL2VLIPO6BTTG2

not attested not anchored not stored refs pending

Comparisons of various model fits to the Iron line profile in MCG-6-30-15

F. K. Sutaria, R. Misra

arxiv:astro-ph/9901065 v1 · 1999-01-07 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXNN2HC6CBYZIL2VLIPO6BTTG2}

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	2026-05-18T04:22:32.192869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ddadd1c5e1071942f555a1eef06733689148444f35ca579d90580d33b044f60

Aliases

arxiv: astro-ph/9901065 · arxiv_version: astro-ph/9901065v1 · doi: 10.48550/arxiv.astro-ph/9901065 · pith_short_12: NXNN2HC6CBYZ · pith_short_16: NXNN2HC6CBYZIL2V · pith_short_8: NXNN2HC6

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/NXNN2HC6CBYZIL2VLIPO6BTTG2 \
  | 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: 6ddadd1c5e1071942f555a1eef06733689148444f35ca579d90580d33b044f60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cccd449f30cbc94d8dada1de0231a79d3d612491c64be6456abb56060abeccf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-01-07T10:56:00Z",
    "title_canon_sha256": "2d2a78a93cfbe7de702ba64d47f91b0994d91ead51f7654f4a01d4d2917cd376"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9901065",
    "kind": "arxiv",
    "version": 1
  }
}