Pith Number

pith:NUIJJFLP

pith:2012:NUIJJFLPDMTQD5ZZPYBGOPD2CT

not attested not anchored not stored refs pending

Cosmology in the Newtonian limit

Ugo Bertello

arxiv:1203.5596 v1 · 2012-03-26 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUIJJFLPDMTQD5ZZPYBGOPD2CT}

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	2026-05-18T03:59:14.634850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1094956f1b2701f7397e02673c7a14c4f7b90851ad955e29f19f58fea90e9f

Aliases

arxiv: 1203.5596 · arxiv_version: 1203.5596v1 · doi: 10.48550/arxiv.1203.5596 · pith_short_12: NUIJJFLPDMTQ · pith_short_16: NUIJJFLPDMTQD5ZZ · pith_short_8: NUIJJFLP

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/NUIJJFLPDMTQD5ZZPYBGOPD2CT \
  | 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: 6d1094956f1b2701f7397e02673c7a14c4f7b90851ad955e29f19f58fea90e9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6898156ff4e058299de82537a66cb1c3bf018b25873ecf7409f3c0fc388ecde8",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-26T08:09:55Z",
    "title_canon_sha256": "7907a54d1be02727e75e2be3ee2244e200098075d0580115792dcb5618a12c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5596",
    "kind": "arxiv",
    "version": 1
  }
}