Pith Number

pith:IKDNLHW7

pith:2006:IKDNLHW7L2LLMUN4YU5Q6I2D3S

not attested not anchored not stored refs pending

A RIAF Interpretation for the Past Higher Activity of the Galactic Center Black Hole and the 511 keV Annihilation Emission

Tomonori Totani (Kyoto)

arxiv:astro-ph/0607414 v2 · 2006-07-18 · 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{IKDNLHW7L2LLMUN4YU5Q6I2D3S}

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	2026-05-18T01:40:30.040615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4286d59edf5e96b651bcc53b0f2343dcac4676622330eb3854b0f309930bee50

Aliases

arxiv: astro-ph/0607414 · arxiv_version: astro-ph/0607414v2 · doi: 10.48550/arxiv.astro-ph/0607414 · pith_short_12: IKDNLHW7L2LL · pith_short_16: IKDNLHW7L2LLMUN4 · pith_short_8: IKDNLHW7

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/IKDNLHW7L2LLMUN4YU5Q6I2D3S \
  | 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: 4286d59edf5e96b651bcc53b0f2343dcac4676622330eb3854b0f309930bee50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "769804fcb03945cd2a09407aa36ae7a15d21d59a4939505ca698a5f9f91b3ef6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-07-18T13:42:20Z",
    "title_canon_sha256": "3ad377ec9d9373edb5ef2b5a9bf337bfdc6db60ea89becc4aa6790994ee1bb4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0607414",
    "kind": "arxiv",
    "version": 2
  }
}