Pith Number

pith:7EMZ2K25

pith:2008:7EMZ2K25BNUY5CY6SQ5MS2KH5V

not attested not anchored not stored refs pending

Photometry using the Infrared Array Camera on the Spitzer Space Telescope

Bidushi Bhattacharya, Giovanni G. Fazio, Jason Surace, Joseph L. Hora, Lori E. Allen, Manuel Quijada, Mark Lacy, Massimo Marengo, Patrick Lowrance, Pauline Barmby, Sean Carey, S. P. Willner, S. Thomas Megeath, William F. Hoffmann, William J. Glaccum, William T. Reach

arxiv:0809.3411 v1 · 2008-09-19 · 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{7EMZ2K25BNUY5CY6SQ5MS2KH5V}

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	2026-07-04T17:12:54.231511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9199d2b5d0b698e8b1e943ac96947ed6242828f78b5537caa9adb20d0e68d60

Aliases

arxiv: 0809.3411 · arxiv_version: 0809.3411v1 · doi: 10.48550/arxiv.0809.3411 · pith_short_12: 7EMZ2K25BNUY · pith_short_16: 7EMZ2K25BNUY5CY6 · pith_short_8: 7EMZ2K25

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/7EMZ2K25BNUY5CY6SQ5MS2KH5V \
  | 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: f9199d2b5d0b698e8b1e943ac96947ed6242828f78b5537caa9adb20d0e68d60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f634b0a0ceb8a16088a5655877b44a3fed355c7d0c071f8b19e650a2f5fc9e9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-19T16:32:12Z",
    "title_canon_sha256": "cf8dd3c61ac0489f6d25ae8394c5111b1a19c4a79d03a636dda84742895ff2a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.3411",
    "kind": "arxiv",
    "version": 1
  }
}