Pith Number

pith:AAH36XV6

pith:2009:AAH36XV6EUPXHLIJND4FATKDR6

not attested not anchored not stored refs pending

The IRAC Dark Field; Far- Infrared to X-ray Data

D.T. Frayer, D. Thompson, E. Egami, J.A. Surace, J.E. Krick, J. Hora, L. Yan, M. Lacy, M. L. N. Ashby, V. Gorjian

arxiv:0909.3550 v1 · 2009-09-19 · astro-ph.CO · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAH36XV6EUPXHLIJND4FATKDR6}

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	2026-05-18T02:34:29.490652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

000fbf5ebe251f73ad0968f8504d438fb21bd25477e2c402fd95405c5cfdb2fc

Aliases

arxiv: 0909.3550 · arxiv_version: 0909.3550v1 · doi: 10.48550/arxiv.0909.3550 · pith_short_12: AAH36XV6EUPX · pith_short_16: AAH36XV6EUPXHLIJ · pith_short_8: AAH36XV6

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/AAH36XV6EUPXHLIJND4FATKDR6 \
  | 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: 000fbf5ebe251f73ad0968f8504d438fb21bd25477e2c402fd95405c5cfdb2fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d394d74328f657e63aa0cf943ea7fba57052268b271d0aabb662260394efcde",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-19T00:20:31Z",
    "title_canon_sha256": "f5c97cee702e82e7de9b7e3d9eca0edf2eb7f3e3bc78c518abcd8ece1af96dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3550",
    "kind": "arxiv",
    "version": 1
  }
}