Pith Number

pith:NBK7EOWS

pith:2013:NBK7EOWSGDHKKD6QQG6ANK3XY7

not attested not anchored not stored refs pending

The Twilight of the Scientific Age

Martin Lopez-Corredoira

arxiv:1305.4144 v1 · 2013-05-15 · physics.hist-ph · physics.pop-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBK7EOWSGDHKKD6QQG6ANK3XY7}

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	2026-05-18T03:25:26.163996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6855f23ad230cea50fd081bc06ab77c7db3ab6f654321760739d038acae545cb

Aliases

arxiv: 1305.4144 · arxiv_version: 1305.4144v1 · doi: 10.48550/arxiv.1305.4144 · pith_short_12: NBK7EOWSGDHK · pith_short_16: NBK7EOWSGDHKKD6Q · pith_short_8: NBK7EOWS

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/NBK7EOWSGDHKKD6QQG6ANK3XY7 \
  | 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: 6855f23ad230cea50fd081bc06ab77c7db3ab6f654321760739d038acae545cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c18d21ae15c508409947e9b53ad690946fdf9e13ad958060ed73a9d9faeabd6",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-05-15T17:43:59Z",
    "title_canon_sha256": "ce24a513c25613a518595421936cf3a478e488ba11ec666c6bc3950f9fe855f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4144",
    "kind": "arxiv",
    "version": 1
  }
}