Pith Number

pith:RS42UVM4

pith:2015:RS42UVM4NKI7Z3C3D5M2GZF73U

not attested not anchored not stored refs pending

Building the next pyramid

Greg Gallagher, Joseph West, Kevin Waters, Stephen Ward, Tia Ward

arxiv:1502.07319 v1 · 2015-02-25 · 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{RS42UVM4NKI7Z3C3D5M2GZF73U}

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	2026-05-18T02:26:11.325277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb9aa559c6a91fcec5b1f59a364bfdd3e04cc3f315822dfdb415d5eb212fa2e

Aliases

arxiv: 1502.07319 · arxiv_version: 1502.07319v1 · doi: 10.48550/arxiv.1502.07319 · pith_short_12: RS42UVM4NKI7 · pith_short_16: RS42UVM4NKI7Z3C3 · pith_short_8: RS42UVM4

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/RS42UVM4NKI7Z3C3D5M2GZF73U \
  | 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: 8cb9aa559c6a91fcec5b1f59a364bfdd3e04cc3f315822dfdb415d5eb212fa2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "454049139317d1932ac44cf1a69dd9b2c178c3fe32b67d5931bdb15bc82f32ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.pop-ph",
    "submitted_at": "2015-02-25T19:51:18Z",
    "title_canon_sha256": "232c248ee0bf4b61217cfa3e639817cecec8c484e43a43794827ddb66e81a8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07319",
    "kind": "arxiv",
    "version": 1
  }
}