Pith Number

pith:IM6TUC2B

pith:2001:IM6TUC2BWSSFVUHEIRQW5TT6X3

not attested not anchored not stored refs pending

XMM-Newton study of the ULIRG NGC 6240

D), Japan), Ralf Keil (MPE, R. Fujimoto (ISAS, Th. Boller (MPE

arxiv:astro-ph/0106195 v1 · 2001-06-12 · 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{IM6TUC2BWSSFVUHEIRQW5TT6X3}

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	2026-05-18T01:07:45.764159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433d3a0b41b4a45ad0e444616ece7ebef7f1d7462650f60dae25918798cf4f4c

Aliases

arxiv: astro-ph/0106195 · arxiv_version: astro-ph/0106195v1 · doi: 10.48550/arxiv.astro-ph/0106195 · pith_short_12: IM6TUC2BWSSF · pith_short_16: IM6TUC2BWSSFVUHE · pith_short_8: IM6TUC2B

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/IM6TUC2BWSSFVUHEIRQW5TT6X3 \
  | 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: 433d3a0b41b4a45ad0e444616ece7ebef7f1d7462650f60dae25918798cf4f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13c2ebb3dcfc8811badc892591005ad2c9498226e8b448a4e84ee4b37b0ac0f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-06-12T08:59:18Z",
    "title_canon_sha256": "eb396cfc787e1dc409bd8b83b8fb9edad22eab2aa9f8c21710a7ddc5f0444ba5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0106195",
    "kind": "arxiv",
    "version": 1
  }
}