Pith Number

pith:7T4MBDR7

pith:2011:7T4MBDR7OLS4I7LJQ6WSTMHBIR

not attested not anchored not stored refs pending

Large-Scale Polarized Foreground Component Separation for Planck

Charmaine Armitage-Caplan, Clive Dickinson, Hans Kristian Eriksen, Joanna Dunkley

arxiv:1103.2554 v1 · 2011-03-13 · 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{7T4MBDR7OLS4I7LJQ6WSTMHBIR}

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	2026-05-18T02:02:54.074612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcf8c08e3f72e5c47d6987ad29b0e1445e994eba1352d7a99b908bcbd45f387d

Aliases

arxiv: 1103.2554 · arxiv_version: 1103.2554v1 · doi: 10.48550/arxiv.1103.2554 · pith_short_12: 7T4MBDR7OLS4 · pith_short_16: 7T4MBDR7OLS4I7LJ · pith_short_8: 7T4MBDR7

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/7T4MBDR7OLS4I7LJQ6WSTMHBIR \
  | 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: fcf8c08e3f72e5c47d6987ad29b0e1445e994eba1352d7a99b908bcbd45f387d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd4301906a3f3cfd97b2e3b0083c5889a84aac5f523b01361daebe35ee5b523f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-03-13T20:57:33Z",
    "title_canon_sha256": "b4c34d0b8a1c8b4cd56e0114a29708e1d19bb8c485aa79731897297b5e0eda78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2554",
    "kind": "arxiv",
    "version": 1
  }
}