Pith Number

pith:DXTLFGEZ

pith:2009:DXTLFGEZ33M3CS7UFS4YVDHLME

not attested not anchored not stored refs pending

Simultaneous Multi-Wavelength Observations of Sgr A* during 2007 April 1-11

A. Brunthaler, A. Goldwurm, A. Miyazaki, C.D. Dowell, C. Heinke, C. L. Martin, D. A. Roberts, D. P. Marrone, D. Porquet, F. Yusef-Zadeh, G. C. Bower, G. Trap, H. Bushouse, H. Maness, H. Wiesemeyer, K. Dodds-Eden, M. J. Reid, M. Wardle, N. Grosso, S. Gillessen, S. Pal

arxiv:0907.3786 v2 · 2009-07-22 · astro-ph.GA · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DXTLFGEZ33M3CS7UFS4YVDHLME}

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	2026-05-18T02:12:54.788022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1de6b29899ded9b14bf42cb98a8ceb61356a9cc70ce5f5e543ba9417c986b05c

Aliases

arxiv: 0907.3786 · arxiv_version: 0907.3786v2 · doi: 10.48550/arxiv.0907.3786 · pith_short_12: DXTLFGEZ33M3 · pith_short_16: DXTLFGEZ33M3CS7U · pith_short_8: DXTLFGEZ

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/DXTLFGEZ33M3CS7UFS4YVDHLME \
  | 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: 1de6b29899ded9b14bf42cb98a8ceb61356a9cc70ce5f5e543ba9417c986b05c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71364c99ef4e0278a56401dec4c238c953c5383eae81675312b0f94e687280ee",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-22T08:38:48Z",
    "title_canon_sha256": "533004523e7131d03d0558e1814af59cce6165d95bd587e622ecffc47a0add03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3786",
    "kind": "arxiv",
    "version": 2
  }
}