Pith Number

pith:ZBY4DVZJ

pith:2009:ZBY4DVZJ6HPGFP5UJUA3ICYQSW

not attested not anchored not stored refs pending

Impact of calibration errors on CMB component separation using FastICA and ILC

Jacques Delabrouille, Jason Dick, Mathieu Remazeilles

arxiv:0907.3105 v1 · 2009-07-17 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZBY4DVZJ6HPGFP5UJUA3ICYQSW}

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	2026-05-18T02:12:56.101732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c871c1d729f1de62bfb44d01b40b1095953b072447f83707a3f48458e3ec01f8

Aliases

arxiv: 0907.3105 · arxiv_version: 0907.3105v1 · doi: 10.48550/arxiv.0907.3105 · pith_short_12: ZBY4DVZJ6HPG · pith_short_16: ZBY4DVZJ6HPGFP5U · pith_short_8: ZBY4DVZJ

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/ZBY4DVZJ6HPGFP5UJUA3ICYQSW \
  | 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: c871c1d729f1de62bfb44d01b40b1095953b072447f83707a3f48458e3ec01f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28addc19a69af6c4dcfb9c94bb7e7630fc37737a9ef659dfd1172b1c46155dd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-17T16:19:04Z",
    "title_canon_sha256": "9cb6cd7aaa87ea2cf5ae160fb5a060c1dce1fa8d6103cc3d6093ae1ae61752a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3105",
    "kind": "arxiv",
    "version": 1
  }
}