Pith Number

pith:NSJCWOQW

pith:2004:NSJCWOQWPCMMQCJYJC6EBBW7NE

not attested not anchored not stored refs pending

Detection of the Sgr A* activity at 3.8 and 4.8 microns with NACO

(2) Observatoire de Paris, (3) Max-Planck-Institut f\"ur Extraterrestrische Physik, (4) I. Physikalisches Institut, D. Gratadour (2), D. Rouan (2), E. Gendron (2), F. Lacombe (2), France, Germany, Germany), LESIA, P. L\'ena (2) ((1) European Southern Observatory, R. Genzel (3), R. Sch\"odel (4), T. Ott (3), Universit\"at zu K\"oln, Y. Cl\'enet (1)

arxiv:astro-ph/0407527 v1 · 2004-07-26 · 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{NSJCWOQWPCMMQCJYJC6EBBW7NE}

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	2026-05-18T01:09:03.258440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c922b3a167898c8093848bc4086df69323fc46250ff57673d47d90ca78a2224

Aliases

arxiv: astro-ph/0407527 · arxiv_version: astro-ph/0407527v1 · doi: 10.48550/arxiv.astro-ph/0407527 · pith_short_12: NSJCWOQWPCMM · pith_short_16: NSJCWOQWPCMMQCJY · pith_short_8: NSJCWOQW

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/NSJCWOQWPCMMQCJYJC6EBBW7NE \
  | 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: 6c922b3a167898c8093848bc4086df69323fc46250ff57673d47d90ca78a2224

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86a641bb53d63000f68565711614da03fce28dd570069a7dbc7a7bdb622653a6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-26T15:56:13Z",
    "title_canon_sha256": "1bcfa0f678f4de2f74c3d9340bbd2ee9b81b25118c1a575219146da8916d8473"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407527",
    "kind": "arxiv",
    "version": 1
  }
}