Pith Number

pith:RJX3RRSO

pith:2012:RJX3RRSOQ4QAYYOFY46LEYBPLG

not attested not anchored not stored refs pending

Criteria of Science, Cosmology, and Lessons of History

Helge Kragh

arxiv:1208.5215 v1 · 2012-08-26 · physics.hist-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{RJX3RRSOQ4QAYYOFY46LEYBPLG}

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	2026-05-18T03:47:00.132820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a6fb8c64e87200c61c5c73cb2602f599bc0739846e95d884342de788d688659

Aliases

arxiv: 1208.5215 · arxiv_version: 1208.5215v1 · doi: 10.48550/arxiv.1208.5215 · pith_short_12: RJX3RRSOQ4QA · pith_short_16: RJX3RRSOQ4QAYYOF · pith_short_8: RJX3RRSO

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/RJX3RRSOQ4QAYYOFY46LEYBPLG \
  | 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: 8a6fb8c64e87200c61c5c73cb2602f599bc0739846e95d884342de788d688659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e4c3a1f7f4c4d7970c6b4346541581098a7994838ce19befeff8fee67e39ecf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2012-08-26T10:52:25Z",
    "title_canon_sha256": "469959dcd36790e4dab08741b690659a4628923ab62da583cc6df2a6be47acdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5215",
    "kind": "arxiv",
    "version": 1
  }
}