Pith Number

pith:ZFWCUEQK

pith:2008:ZFWCUEQKVPCKXYDQUMUDKXK2UY

not attested not anchored not stored refs pending

Coordinated mm/sub-mm observations of Sagittarius A* in May 2007

A. Eckart, A. Zensus, C. Straubmeier, C. Thum, D. Downes, D. Kunneriath, F. K. Baganoff, F. Najarro, G. Witzel, H. Wiesemeyer, J. Mauerhan, J. Moultaka, K. Muzic, K. Schuster, L. Meyer, L. Sjouwerman, M. Dovciak, M. Krips, M. Morris, M. Zamaninasab, R. Schoedel, R.-S. Lu, S. Koenig, S. Markoff, S. Vogel, T. Bertram, T.Krichbaum, V. Karas, W. J. Duschl

arxiv:0810.0177 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{ZFWCUEQKVPCKXYDQUMUDKXK2UY}

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	2026-05-18T02:35:14.576609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c96c2a120aabc4abe070a328355d5aa633a707c723906bb096f5571a7218f038

Aliases

arxiv: 0810.0177 · arxiv_version: 0810.0177v1 · doi: 10.48550/arxiv.0810.0177 · pith_short_12: ZFWCUEQKVPCK · pith_short_16: ZFWCUEQKVPCKXYDQ · pith_short_8: ZFWCUEQK

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/ZFWCUEQKVPCKXYDQUMUDKXK2UY \
  | 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: c96c2a120aabc4abe070a328355d5aa633a707c723906bb096f5571a7218f038

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78fe0b6f7beddc85cf5e187386815649360fdc1a6c24ec571b4692d711cde377",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-10-01T14:17:02Z",
    "title_canon_sha256": "0d5c24d7e330494c896fdd58aa65f5b65242e3c5a7bc7b4a4a12e5294a018ea4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.0177",
    "kind": "arxiv",
    "version": 1
  }
}