Pith Number

pith:E2AUEL3S

pith:2005:E2AUEL3SS3WB3EOOSBUQIA7CYP

not attested not anchored not stored refs pending

A Black Hole in the Galactic Center Complex IRS 13E?

A. Eckart, C. Iserlohe, R. Genzel, R. Schoedel, T. Ott

arxiv:astro-ph/0504474 v1 · 2005-04-21 · 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{E2AUEL3SS3WB3EOOSBUQIA7CYP}

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.

Cited by

1 paper in Pith

String Axiverse

Receipt and verification

First computed	2026-07-04T16:52:14.356446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2681422f7296ec1d91ce90690403e2c3d1a27b17ee0fbba63a1d62366eed81a9

Aliases

arxiv: astro-ph/0504474 · arxiv_version: astro-ph/0504474v1 · doi: 10.48550/arxiv.astro-ph/0504474 · pith_short_12: E2AUEL3SS3WB · pith_short_16: E2AUEL3SS3WB3EOO · pith_short_8: E2AUEL3S

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/E2AUEL3SS3WB3EOOSBUQIA7CYP \
  | 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: 2681422f7296ec1d91ce90690403e2c3d1a27b17ee0fbba63a1d62366eed81a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d3f950de5107989b043100c50348ba72b1415317cb4c9bdeae46a3e1948a00a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-21T16:23:22Z",
    "title_canon_sha256": "0ee82f7accfd48f80ffccadf797f497cdf72154e199ef9929ab42cc2ba4c400f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504474",
    "kind": "arxiv",
    "version": 1
  }
}