Pith Number

pith:UIZBLINS

pith:2003:UIZBLINSVN554KVDLLAQUYVC45

not attested not anchored not stored refs pending

Variable Infrared Emission from the Supermassive Black Hole at the Center of the Milky Way

(2) Caltech, (3) Keck Obsevatory), A. M. Ghez (1), A. Tanner (1), B. T. Soifer (2) ((1) UCLA, D. Le Mignant (3), D. Thompson (2), E. E. Becklin (1), K. Matthews (2), M. Morris (1), S. A. Wright (1), S. D. Hornstein (1)

arxiv:astro-ph/0309076 v2 · 2003-09-02 · 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{UIZBLINSVN554KVDLLAQUYVC45}

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	2026-07-04T16:37:26.475312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a23215a1b2ab7bde2aa35ac10a62a2e74df0337170189de83bf04295c08ce13d

Aliases

arxiv: astro-ph/0309076 · arxiv_version: astro-ph/0309076v2 · doi: 10.48550/arxiv.astro-ph/0309076 · pith_short_12: UIZBLINSVN55 · pith_short_16: UIZBLINSVN554KVD · pith_short_8: UIZBLINS

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/UIZBLINSVN554KVDLLAQUYVC45 \
  | 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: a23215a1b2ab7bde2aa35ac10a62a2e74df0337170189de83bf04295c08ce13d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d3cbc835980b0b98b507e52c1164a29e361f29a7af8ab1cd2af7564fcc43b06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-02T21:52:45Z",
    "title_canon_sha256": "1a836ffc7a20d70b97772a7d3a5f4891b0d1477987ede2f53542dc8f2bc9f571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309076",
    "kind": "arxiv",
    "version": 2
  }
}