Pith Number

pith:IMQ2SXDY

pith:2011:IMQ2SXDYRT2WE4XCWLLZVBBOOF

not attested not anchored not stored refs pending

Estimating the tensor-to-scalar ratio and the effect of residual foreground contamination

C. Baccigalupi, F. Stivoli, J. Grain, M. Tristram, R. Stompor, S. M. Leach, Y. Fantaye

arxiv:1104.1367 v2 · 2011-04-07 · 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{IMQ2SXDYRT2WE4XCWLLZVBBOOF}

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	2026-05-18T04:16:30.710718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4321a95c788cf56272e2b2d79a842e715a71747b79aea4fd110d68399d676a9b

Aliases

arxiv: 1104.1367 · arxiv_version: 1104.1367v2 · doi: 10.48550/arxiv.1104.1367 · pith_short_12: IMQ2SXDYRT2W · pith_short_16: IMQ2SXDYRT2WE4XC · pith_short_8: IMQ2SXDY

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/IMQ2SXDYRT2WE4XCWLLZVBBOOF \
  | 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: 4321a95c788cf56272e2b2d79a842e715a71747b79aea4fd110d68399d676a9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d059ac37b8e1d133579ee5ea1a9c77c7fe1891aea0f47c6304f204d7ad51a81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-07T16:05:09Z",
    "title_canon_sha256": "ff4810c2f717b406ebfd53e0c53758231820d69bf608ee77240ff8022ee5553c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1367",
    "kind": "arxiv",
    "version": 2
  }
}