Pith Number

pith:DSHANN3W

pith:2012:DSHANN3WM4N3FDHQT2NE7BVCAW

not attested not anchored not stored refs pending

The cosmic microwave background: observing directly the early universe

Paolo De Bernardis, Silvia Masi

arxiv:1208.0298 v1 · 2012-08-01 · astro-ph.IM · 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{DSHANN3WM4N3FDHQT2NE7BVCAW}

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	2026-05-18T01:55:24.279906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c8e06b776671bb28cf09e9a4f86a2059b9025a2f428dbf697107111d319e2e8

Aliases

arxiv: 1208.0298 · arxiv_version: 1208.0298v1 · doi: 10.48550/arxiv.1208.0298 · pith_short_12: DSHANN3WM4N3 · pith_short_16: DSHANN3WM4N3FDHQ · pith_short_8: DSHANN3W

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/DSHANN3WM4N3FDHQT2NE7BVCAW \
  | 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: 1c8e06b776671bb28cf09e9a4f86a2059b9025a2f428dbf697107111d319e2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c69c1bd427621251d6f8adeea729e313baa16be77823c96b36262b3cd37997a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-08-01T17:47:44Z",
    "title_canon_sha256": "de0d44ec111121ef471c6970c312c2f15e47874b44108264cfc2b2eeb8329c58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0298",
    "kind": "arxiv",
    "version": 1
  }
}