Pith Number

pith:EXAAAEJC

pith:2015:EXAAAEJC4C2EG3SWTCBQ2UZAQO

not attested not anchored not stored refs pending

Improving Planck calibration by including frequency-dependent relativistic corrections

Alessio Notari, Miguel Quartin

arxiv:1504.04897 v2 · 2015-04-19 · 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{EXAAAEJC4C2EG3SWTCBQ2UZAQO}

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	2026-05-18T01:32:37.189167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25c0001122e0b4436e5698830d532083a8e63077292e5f71f7c9e206b25fd3a7

Aliases

arxiv: 1504.04897 · arxiv_version: 1504.04897v2 · doi: 10.48550/arxiv.1504.04897 · pith_short_12: EXAAAEJC4C2E · pith_short_16: EXAAAEJC4C2EG3SW · pith_short_8: EXAAAEJC

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/EXAAAEJC4C2EG3SWTCBQ2UZAQO \
  | 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: 25c0001122e0b4436e5698830d532083a8e63077292e5f71f7c9e206b25fd3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "977680957eb28b56d66c5a1ef86dd899684e8c46aba461622b3a0497770fd7ce",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-04-19T23:20:04Z",
    "title_canon_sha256": "e1faca1d54b816496d9b7eebca52ef90c8605beff2b190f494c04bcc9d2cf6d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04897",
    "kind": "arxiv",
    "version": 2
  }
}