Pith Number

pith:7TTBLV33

pith:2008:7TTBLV33VH4WCJQP55EPRSG5G4

not attested not anchored not stored refs pending

An evolving hot spot orbiting around Sgr A*

A. Eckart, A. Zensus, C. Straubmeier, D. Kunneriath, G. Witzel, L. Meyer, M. Dovciak, M. Zamaninasab, R. Giessuebel, R. Schoedel, S. Koenig, V. Karas

arxiv:0810.0138 v1 · 2008-10-01 · 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{7TTBLV33VH4WCJQP55EPRSG5G4}

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	2026-05-18T02:35:14.594081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fce615d77ba9f961260fef48f8c8dd373c1c5e661ddff93a314947e19e568fc7

Aliases

arxiv: 0810.0138 · arxiv_version: 0810.0138v1 · doi: 10.48550/arxiv.0810.0138 · pith_short_12: 7TTBLV33VH4W · pith_short_16: 7TTBLV33VH4WCJQP · pith_short_8: 7TTBLV33

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/7TTBLV33VH4WCJQP55EPRSG5G4 \
  | 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: fce615d77ba9f961260fef48f8c8dd373c1c5e661ddff93a314947e19e568fc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a32579aaeabcf834719c41fbc7583f9ca53493a4ad6f4a8651377dd80a088da2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-01T12:25:23Z",
    "title_canon_sha256": "9b15834a3a060f490eb4c33a75b4d5402214e46eaea539da7ee590fb2220b096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0138",
    "kind": "arxiv",
    "version": 1
  }
}