Pith Number

pith:IMIUAJHB

pith:1999:IMIUAJHBV2UYHWRLW5ROMOHJ3B

not attested not anchored not stored refs pending

Mapping the circumnuclear matter of NGC1068 in X-rays

G.Matt (3), I; (3) Universita' degli Studi "Roma 3", I; (4) University of Cambridge, K.Iwasawa (4) ((1) Astrophysics Division, M.Guainazzi (1), Milano, NL; (2) IFC "Occhialini" C.N.R., Noordwijk, P.Vignati (2), S.Molendi (2), SSD of ESA, UK)

arxiv:astro-ph/9910193 v1 · 1999-10-11 · 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{IMIUAJHBV2UYHWRLW5ROMOHJ3B}

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	2026-07-04T16:11:41.850852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43114024e1aea983da2bb762e638e9d8735b2501f015ff2536297296351e1d43

Aliases

arxiv: astro-ph/9910193 · arxiv_version: astro-ph/9910193v1 · doi: 10.48550/arxiv.astro-ph/9910193 · pith_short_12: IMIUAJHBV2UY · pith_short_16: IMIUAJHBV2UYHWRL · pith_short_8: IMIUAJHB

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/IMIUAJHBV2UYHWRLW5ROMOHJ3B \
  | 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: 43114024e1aea983da2bb762e638e9d8735b2501f015ff2536297296351e1d43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee15dac26823a716c776c868d444a49c4d6b4a59f205b13037f930b8bc29243e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-10-11T17:57:34Z",
    "title_canon_sha256": "95c3d9aa3f5195a3aa8ebeb3a6dba72d8cc17a80cffdb6e7a8b6dee399f261b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9910193",
    "kind": "arxiv",
    "version": 1
  }
}