Pith Number

pith:HBDFRR2T

pith:2015:HBDFRR2T2LF2SGJWH6P2PVAX5H

not attested not anchored not stored refs pending

Polarized CMB recovery with sparse component separation

Florent Sureau, Jean-Luc Starck, Jerome Bobin

arxiv:1508.07131 v1 · 2015-08-28 · astro-ph.CO · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBDFRR2T2LF2SGJWH6P2PVAX5H}

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	2026-05-18T01:28:03.336148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384658c753d2cba919363f9fa7d417e9c8c74ca74b5d51e0cd53072ebbc91485

Aliases

arxiv: 1508.07131 · arxiv_version: 1508.07131v1 · doi: 10.48550/arxiv.1508.07131 · pith_short_12: HBDFRR2T2LF2 · pith_short_16: HBDFRR2T2LF2SGJW · pith_short_8: HBDFRR2T

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/HBDFRR2T2LF2SGJWH6P2PVAX5H \
  | 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: 384658c753d2cba919363f9fa7d417e9c8c74ca74b5d51e0cd53072ebbc91485

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ef35674acb047b9d4ebca43eadd0485d4b6b673bddcb7e7060ac84372605270",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-08-28T08:54:13Z",
    "title_canon_sha256": "6e86d1a768b2ecdc8f4d362a05f1abf9a11aab354a6375ffe97b1770fb31e4ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07131",
    "kind": "arxiv",
    "version": 1
  }
}